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Finding the Fourth Proportional to 96,992,881.80, 145,489,322.70 and 60,642,317.40

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Solution

The fourth proportional to 96,992,881.80, 145,489,322.70 and 60,642,317.40 is: 90,963,476.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,992,881.80 : 145,489,322.70 = 60,642,317.40 : x
  2. Step 2: Convert to fraction form
    96,992,881.80/145,489,322.70 = 60,642,317.40/x
  3. Step 3: Cross multiply
    96,992,881.80x = 145,489,322.70 × 60,642,317.40
  4. Step 4: Simplify right side
    96,992,881.80x = 8,822,809,685,484,424
  5. Step 5: Solve for x
    x = 8,822,809,685,484,424/96,992,881.80
  6. Step 6: Final answer
    x = 90,963,476.10

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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.