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Finding the Fourth Proportional to 162,101.80, 242,979.90 and 62,223.40

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Solution

The fourth proportional to 162,101.80, 242,979.90 and 62,223.40 is: 93,268.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,101.80 : 242,979.90 = 62,223.40 : x
  2. Step 2: Convert to fraction form
    162,101.80/242,979.90 = 62,223.40/x
  3. Step 3: Cross multiply
    162,101.80x = 242,979.90 × 62,223.40
  4. Step 4: Simplify right side
    162,101.80x = 15,119,035,509.66
  5. Step 5: Solve for x
    x = 15,119,035,509.66/162,101.80
  6. Step 6: Final answer
    x = 93,268.77

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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.