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Finding the Fourth Proportional to 223,877.70, 335,816.55 and 153,018.90

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Solution

The fourth proportional to 223,877.70, 335,816.55 and 153,018.90 is: 229,528.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,877.70 : 335,816.55 = 153,018.90 : x
  2. Step 2: Convert to fraction form
    223,877.70/335,816.55 = 153,018.90/x
  3. Step 3: Cross multiply
    223,877.70x = 335,816.55 × 153,018.90
  4. Step 4: Simplify right side
    223,877.70x = 51,386,279,082.80
  5. Step 5: Solve for x
    x = 51,386,279,082.80/223,877.70
  6. Step 6: Final answer
    x = 229,528.35

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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.