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Finding the Fourth Proportional to 186,353.92, 257,169.84 and 101,470.96

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Solution

The fourth proportional to 186,353.92, 257,169.84 and 101,470.96 is: 140,030.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,353.92 : 257,169.84 = 101,470.96 : x
  2. Step 2: Convert to fraction form
    186,353.92/257,169.84 = 101,470.96/x
  3. Step 3: Cross multiply
    186,353.92x = 257,169.84 × 101,470.96
  4. Step 4: Simplify right side
    186,353.92x = 26,095,270,547.85
  5. Step 5: Solve for x
    x = 26,095,270,547.85/186,353.92
  6. Step 6: Final answer
    x = 140,030.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.