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Finding the Fourth Proportional to 66,495,657.60, 99,659,505.60 and 32,343,465.60

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Solution

The fourth proportional to 66,495,657.60, 99,659,505.60 and 32,343,465.60 is: 48,474,350.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,495,657.60 : 99,659,505.60 = 32,343,465.60 : x
  2. Step 2: Convert to fraction form
    66,495,657.60/99,659,505.60 = 32,343,465.60/x
  3. Step 3: Cross multiply
    66,495,657.60x = 99,659,505.60 × 32,343,465.60
  4. Step 4: Simplify right side
    66,495,657.60x = 3,223,333,791,086,607.50
  5. Step 5: Solve for x
    x = 3,223,333,791,086,607.50/66,495,657.60
  6. Step 6: Final answer
    x = 48,474,350.17

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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.