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Finding the Fourth Proportional to 141,810.60, 213,032.70 and 118,482.60

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Solution

The fourth proportional to 141,810.60, 213,032.70 and 118,482.60 is: 177,988.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,810.60 : 213,032.70 = 118,482.60 : x
  2. Step 2: Convert to fraction form
    141,810.60/213,032.70 = 118,482.60/x
  3. Step 3: Cross multiply
    141,810.60x = 213,032.70 × 118,482.60
  4. Step 4: Simplify right side
    141,810.60x = 25,240,668,181.02
  5. Step 5: Solve for x
    x = 25,240,668,181.02/141,810.60
  6. Step 6: Final answer
    x = 177,988.59

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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.