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Finding the Fourth Proportional to 169,219.56, 255,018.18 and 152,373.18

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Solution

The fourth proportional to 169,219.56, 255,018.18 and 152,373.18 is: 229,630.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,219.56 : 255,018.18 = 152,373.18 : x
  2. Step 2: Convert to fraction form
    169,219.56/255,018.18 = 152,373.18/x
  3. Step 3: Cross multiply
    169,219.56x = 255,018.18 × 152,373.18
  4. Step 4: Simplify right side
    169,219.56x = 38,857,931,044.41
  5. Step 5: Solve for x
    x = 38,857,931,044.41/169,219.56
  6. Step 6: Final answer
    x = 229,630.26

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.