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Finding the Fourth Proportional to 162,505.92, 224,254.08 and 89,911.56

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Solution

The fourth proportional to 162,505.92, 224,254.08 and 89,911.56 is: 124,075.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,505.92 : 224,254.08 = 89,911.56 : x
  2. Step 2: Convert to fraction form
    162,505.92/224,254.08 = 89,911.56/x
  3. Step 3: Cross multiply
    162,505.92x = 224,254.08 × 89,911.56
  4. Step 4: Simplify right side
    162,505.92x = 20,163,034,169.16
  5. Step 5: Solve for x
    x = 20,163,034,169.16/162,505.92
  6. Step 6: Final answer
    x = 124,075.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.