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Finding the Fourth Proportional to 58,357,668.80, 87,442,024.80 and 54,956,446.40

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Solution

The fourth proportional to 58,357,668.80, 87,442,024.80 and 54,956,446.40 is: 82,345,697.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,357,668.80 : 87,442,024.80 = 54,956,446.40 : x
  2. Step 2: Convert to fraction form
    58,357,668.80/87,442,024.80 = 54,956,446.40/x
  3. Step 3: Cross multiply
    58,357,668.80x = 87,442,024.80 × 54,956,446.40
  4. Step 4: Simplify right side
    58,357,668.80x = 4,805,502,949,028,670
  5. Step 5: Solve for x
    x = 4,805,502,949,028,670/58,357,668.80
  6. Step 6: Final answer
    x = 82,345,697.62

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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.