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Finding the Fourth Proportional to 332.61, 498.89 and 101.50

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Solution

The fourth proportional to 332.61, 498.89 and 101.50 is: 152.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.61 : 498.89 = 101.50 : x
  2. Step 2: Convert to fraction form
    332.61/498.89 = 101.50/x
  3. Step 3: Cross multiply
    332.61x = 498.89 × 101.50
  4. Step 4: Simplify right side
    332.61x = 50,637.34
  5. Step 5: Solve for x
    x = 50,637.34/332.61
  6. Step 6: Final answer
    x = 152.24

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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.