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Finding the Fourth Proportional to 155,875.70, 233,882.40 and 75,869.30

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Solution

The fourth proportional to 155,875.70, 233,882.40 and 75,869.30 is: 113,837.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,875.70 : 233,882.40 = 75,869.30 : x
  2. Step 2: Convert to fraction form
    155,875.70/233,882.40 = 75,869.30/x
  3. Step 3: Cross multiply
    155,875.70x = 233,882.40 × 75,869.30
  4. Step 4: Simplify right side
    155,875.70x = 17,744,493,970.32
  5. Step 5: Solve for x
    x = 17,744,493,970.32/155,875.70
  6. Step 6: Final answer
    x = 113,837.46

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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.