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Finding the Fourth Proportional to 133,798.32, 200,718.09 and 45,044.87

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Solution

The fourth proportional to 133,798.32, 200,718.09 and 45,044.87 is: 67,574.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,798.32 : 200,718.09 = 45,044.87 : x
  2. Step 2: Convert to fraction form
    133,798.32/200,718.09 = 45,044.87/x
  3. Step 3: Cross multiply
    133,798.32x = 200,718.09 × 45,044.87
  4. Step 4: Simplify right side
    133,798.32x = 9,041,319,267.11
  5. Step 5: Solve for x
    x = 9,041,319,267.11/133,798.32
  6. Step 6: Final answer
    x = 67,574.24

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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.