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Finding the Fourth Proportional to 101,602.65, 152,330.13 and 42,455.25

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Solution

The fourth proportional to 101,602.65, 152,330.13 and 42,455.25 is: 63,652.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,602.65 : 152,330.13 = 42,455.25 : x
  2. Step 2: Convert to fraction form
    101,602.65/152,330.13 = 42,455.25/x
  3. Step 3: Cross multiply
    101,602.65x = 152,330.13 × 42,455.25
  4. Step 4: Simplify right side
    101,602.65x = 6,467,213,751.68
  5. Step 5: Solve for x
    x = 6,467,213,751.68/101,602.65
  6. Step 6: Final answer
    x = 63,652.02

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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.