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Finding the Fourth Proportional to 53,164,373.91, 79,746,560.91 and 12,774,857.91

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Solution

The fourth proportional to 53,164,373.91, 79,746,560.91 and 12,774,857.91 is: 19,162,286.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,164,373.91 : 79,746,560.91 = 12,774,857.91 : x
  2. Step 2: Convert to fraction form
    53,164,373.91/79,746,560.91 = 12,774,857.91/x
  3. Step 3: Cross multiply
    53,164,373.91x = 79,746,560.91 × 12,774,857.91
  4. Step 4: Simplify right side
    53,164,373.91x = 1,018,750,984,436,410.25
  5. Step 5: Solve for x
    x = 1,018,750,984,436,410.25/53,164,373.91
  6. Step 6: Final answer
    x = 19,162,286.88

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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.