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Finding the Fourth Proportional to 192,466,551.60, 288,699,827.40 and 56,165,713.20

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Solution

The fourth proportional to 192,466,551.60, 288,699,827.40 and 56,165,713.20 is: 84,248,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,466,551.60 : 288,699,827.40 = 56,165,713.20 : x
  2. Step 2: Convert to fraction form
    192,466,551.60/288,699,827.40 = 56,165,713.20/x
  3. Step 3: Cross multiply
    192,466,551.60x = 288,699,827.40 × 56,165,713.20
  4. Step 4: Simplify right side
    192,466,551.60x = 16,215,031,706,637,902
  5. Step 5: Solve for x
    x = 16,215,031,706,637,902/192,466,551.60
  6. Step 6: Final answer
    x = 84,248,569.80

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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.