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Finding the Fourth Proportional to 153,506.43, 210,304.55 and 147,753.71

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Solution

The fourth proportional to 153,506.43, 210,304.55 and 147,753.71 is: 202,423.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,506.43 : 210,304.55 = 147,753.71 : x
  2. Step 2: Convert to fraction form
    153,506.43/210,304.55 = 147,753.71/x
  3. Step 3: Cross multiply
    153,506.43x = 210,304.55 × 147,753.71
  4. Step 4: Simplify right side
    153,506.43x = 31,073,277,279.37
  5. Step 5: Solve for x
    x = 31,073,277,279.37/153,506.43
  6. Step 6: Final answer
    x = 202,423.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.