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Finding the Fourth Proportional to 239,691.75, 359,675.00 and 97,510.78

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Solution

The fourth proportional to 239,691.75, 359,675.00 and 97,510.78 is: 146,322.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,691.75 : 359,675.00 = 97,510.78 : x
  2. Step 2: Convert to fraction form
    239,691.75/359,675.00 = 97,510.78/x
  3. Step 3: Cross multiply
    239,691.75x = 359,675.00 × 97,510.78
  4. Step 4: Simplify right side
    239,691.75x = 35,072,188,409.76
  5. Step 5: Solve for x
    x = 35,072,188,409.76/239,691.75
  6. Step 6: Final answer
    x = 146,322.05

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1.5x scale

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.