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Finding the Fourth Proportional to 155,624.70, 233,437.05 and 76,892.70

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Solution

The fourth proportional to 155,624.70, 233,437.05 and 76,892.70 is: 115,339.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,624.70 : 233,437.05 = 76,892.70 : x
  2. Step 2: Convert to fraction form
    155,624.70/233,437.05 = 76,892.70/x
  3. Step 3: Cross multiply
    155,624.70x = 233,437.05 × 76,892.70
  4. Step 4: Simplify right side
    155,624.70x = 17,949,605,054.54
  5. Step 5: Solve for x
    x = 17,949,605,054.54/155,624.70
  6. Step 6: Final answer
    x = 115,339.05

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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.