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Finding the Fourth Proportional to 162,781.80, 244,547.93 and 156,055.92

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Solution

The fourth proportional to 162,781.80, 244,547.93 and 156,055.92 is: 234,443.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,781.80 : 244,547.93 = 156,055.92 : x
  2. Step 2: Convert to fraction form
    162,781.80/244,547.93 = 156,055.92/x
  3. Step 3: Cross multiply
    162,781.80x = 244,547.93 × 156,055.92
  4. Step 4: Simplify right side
    162,781.80x = 38,163,152,200.25
  5. Step 5: Solve for x
    x = 38,163,152,200.25/162,781.80
  6. Step 6: Final answer
    x = 234,443.61

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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.