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Finding the Fourth Proportional to 110,573,659.60, 165,860,489.40 and 70,362,408.40

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Solution

The fourth proportional to 110,573,659.60, 165,860,489.40 and 70,362,408.40 is: 105,543,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,573,659.60 : 165,860,489.40 = 70,362,408.40 : x
  2. Step 2: Convert to fraction form
    110,573,659.60/165,860,489.40 = 70,362,408.40/x
  3. Step 3: Cross multiply
    110,573,659.60x = 165,860,489.40 × 70,362,408.40
  4. Step 4: Simplify right side
    110,573,659.60x = 11,670,343,492,586,672
  5. Step 5: Solve for x
    x = 11,670,343,492,586,672/110,573,659.60
  6. Step 6: Final answer
    x = 105,543,612.60

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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.