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Finding the Fourth Proportional to 162,430.59, 243,267.41 and 157,946.43

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Solution

The fourth proportional to 162,430.59, 243,267.41 and 157,946.43 is: 236,551.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,430.59 : 243,267.41 = 157,946.43 : x
  2. Step 2: Convert to fraction form
    162,430.59/243,267.41 = 157,946.43/x
  3. Step 3: Cross multiply
    162,430.59x = 243,267.41 × 157,946.43
  4. Step 4: Simplify right side
    162,430.59x = 38,423,218,155.11
  5. Step 5: Solve for x
    x = 38,423,218,155.11/162,430.59
  6. Step 6: Final answer
    x = 236,551.61

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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.