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Finding the Fourth Proportional to 67,584,007.60, 101,376,011.40 and 65,195,220.40

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Solution

The fourth proportional to 67,584,007.60, 101,376,011.40 and 65,195,220.40 is: 97,792,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,584,007.60 : 101,376,011.40 = 65,195,220.40 : x
  2. Step 2: Convert to fraction form
    67,584,007.60/101,376,011.40 = 65,195,220.40/x
  3. Step 3: Cross multiply
    67,584,007.60x = 101,376,011.40 × 65,195,220.40
  4. Step 4: Simplify right side
    67,584,007.60x = 6,609,231,406,495,913
  5. Step 5: Solve for x
    x = 6,609,231,406,495,913/67,584,007.60
  6. Step 6: Final answer
    x = 97,792,830.60

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1.5x scale

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.