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Finding the Fourth Proportional to 381,402,195.60, 572,103,293.40 and 94,187,859.60

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Solution

The fourth proportional to 381,402,195.60, 572,103,293.40 and 94,187,859.60 is: 141,281,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,402,195.60 : 572,103,293.40 = 94,187,859.60 : x
  2. Step 2: Convert to fraction form
    381,402,195.60/572,103,293.40 = 94,187,859.60/x
  3. Step 3: Cross multiply
    381,402,195.60x = 572,103,293.40 × 94,187,859.60
  4. Step 4: Simplify right side
    381,402,195.60x = 53,885,184,675,456,800
  5. Step 5: Solve for x
    x = 53,885,184,675,456,800/381,402,195.60
  6. Step 6: Final answer
    x = 141,281,789.40

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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.