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Finding the Fourth Proportional to 161,242.65, 241,798.37 and 72,472.32

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Solution

The fourth proportional to 161,242.65, 241,798.37 and 72,472.32 is: 108,678.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,242.65 : 241,798.37 = 72,472.32 : x
  2. Step 2: Convert to fraction form
    161,242.65/241,798.37 = 72,472.32/x
  3. Step 3: Cross multiply
    161,242.65x = 241,798.37 × 72,472.32
  4. Step 4: Simplify right side
    161,242.65x = 17,523,688,483.76
  5. Step 5: Solve for x
    x = 17,523,688,483.76/161,242.65
  6. Step 6: Final answer
    x = 108,678.99

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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.