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Finding the Fourth Proportional to 176,785.16, 265,177.76 and 145,554.80

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Solution

The fourth proportional to 176,785.16, 265,177.76 and 145,554.80 is: 218,332.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,785.16 : 265,177.76 = 145,554.80 : x
  2. Step 2: Convert to fraction form
    176,785.16/265,177.76 = 145,554.80/x
  3. Step 3: Cross multiply
    176,785.16x = 265,177.76 × 145,554.80
  4. Step 4: Simplify right side
    176,785.16x = 38,597,895,821.25
  5. Step 5: Solve for x
    x = 38,597,895,821.25/176,785.16
  6. Step 6: Final answer
    x = 218,332.22

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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.