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Finding the Fourth Proportional to 356,661.16, 535,061.67 and 132,023.52

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Solution

The fourth proportional to 356,661.16, 535,061.67 and 132,023.52 is: 198,061.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,661.16 : 535,061.67 = 132,023.52 : x
  2. Step 2: Convert to fraction form
    356,661.16/535,061.67 = 132,023.52/x
  3. Step 3: Cross multiply
    356,661.16x = 535,061.67 × 132,023.52
  4. Step 4: Simplify right side
    356,661.16x = 70,640,724,595.39
  5. Step 5: Solve for x
    x = 70,640,724,595.39/356,661.16
  6. Step 6: Final answer
    x = 198,061.17

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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.