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Finding the Fourth Proportional to 176,835.68, 265,253.52 and 145,605.32

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Solution

The fourth proportional to 176,835.68, 265,253.52 and 145,605.32 is: 218,407.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,835.68 : 265,253.52 = 145,605.32 : x
  2. Step 2: Convert to fraction form
    176,835.68/265,253.52 = 145,605.32/x
  3. Step 3: Cross multiply
    176,835.68x = 265,253.52 × 145,605.32
  4. Step 4: Simplify right side
    176,835.68x = 38,622,323,660.73
  5. Step 5: Solve for x
    x = 38,622,323,660.73/176,835.68
  6. Step 6: Final answer
    x = 218,407.98

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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.