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Finding the Fourth Proportional to 157,320.84, 235,798.17 and 89,900.13

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Solution

The fourth proportional to 157,320.84, 235,798.17 and 89,900.13 is: 134,745.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,320.84 : 235,798.17 = 89,900.13 : x
  2. Step 2: Convert to fraction form
    157,320.84/235,798.17 = 89,900.13/x
  3. Step 3: Cross multiply
    157,320.84x = 235,798.17 × 89,900.13
  4. Step 4: Simplify right side
    157,320.84x = 21,198,285,687.26
  5. Step 5: Solve for x
    x = 21,198,285,687.26/157,320.84
  6. Step 6: Final answer
    x = 134,745.57

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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.