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Finding the Fourth Proportional to 369,373.87, 554,088.14 and 132,718.60

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Solution

The fourth proportional to 369,373.87, 554,088.14 and 132,718.60 is: 199,087.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,373.87 : 554,088.14 = 132,718.60 : x
  2. Step 2: Convert to fraction form
    369,373.87/554,088.14 = 132,718.60/x
  3. Step 3: Cross multiply
    369,373.87x = 554,088.14 × 132,718.60
  4. Step 4: Simplify right side
    369,373.87x = 73,537,803,490.66
  5. Step 5: Solve for x
    x = 73,537,803,490.66/369,373.87
  6. Step 6: Final answer
    x = 199,087.72

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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.