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Finding the Fourth Proportional to 118,779,783.60, 178,169,675.40 and 110,170,439.40

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Solution

The fourth proportional to 118,779,783.60, 178,169,675.40 and 110,170,439.40 is: 165,255,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,779,783.60 : 178,169,675.40 = 110,170,439.40 : x
  2. Step 2: Convert to fraction form
    118,779,783.60/178,169,675.40 = 110,170,439.40/x
  3. Step 3: Cross multiply
    118,779,783.60x = 178,169,675.40 × 110,170,439.40
  4. Step 4: Simplify right side
    118,779,783.60x = 19,629,031,426,573,372
  5. Step 5: Solve for x
    x = 19,629,031,426,573,372/118,779,783.60
  6. Step 6: Final answer
    x = 165,255,659.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.