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Finding the Fourth Proportional to 115,896,245.60, 173,865,363.60 and 58,243,426.40

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Solution

The fourth proportional to 115,896,245.60, 173,865,363.60 and 58,243,426.40 is: 87,375,690.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,896,245.60 : 173,865,363.60 = 58,243,426.40 : x
  2. Step 2: Convert to fraction form
    115,896,245.60/173,865,363.60 = 58,243,426.40/x
  3. Step 3: Cross multiply
    115,896,245.60x = 173,865,363.60 × 58,243,426.40
  4. Step 4: Simplify right side
    115,896,245.60x = 10,126,514,508,345,838
  5. Step 5: Solve for x
    x = 10,126,514,508,345,838/115,896,245.60
  6. Step 6: Final answer
    x = 87,375,690.70

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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.