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Finding the Fourth Proportional to 93,092,799.92, 128,468,063.16 and 53,957,276.91

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Solution

The fourth proportional to 93,092,799.92, 128,468,063.16 and 53,957,276.91 is: 74,461,041.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,092,799.92 : 128,468,063.16 = 53,957,276.91 : x
  2. Step 2: Convert to fraction form
    93,092,799.92/128,468,063.16 = 53,957,276.91/x
  3. Step 3: Cross multiply
    93,092,799.92x = 128,468,063.16 × 53,957,276.91
  4. Step 4: Simplify right side
    93,092,799.92x = 6,931,786,858,015,489
  5. Step 5: Solve for x
    x = 6,931,786,858,015,489/93,092,799.92
  6. Step 6: Final answer
    x = 74,461,041.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.