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Finding the Fourth Proportional to 372,306.07, 558,366.83 and 106,068.89

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Solution

The fourth proportional to 372,306.07, 558,366.83 and 106,068.89 is: 159,077.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,306.07 : 558,366.83 = 106,068.89 : x
  2. Step 2: Convert to fraction form
    372,306.07/558,366.83 = 106,068.89/x
  3. Step 3: Cross multiply
    372,306.07x = 558,366.83 × 106,068.89
  4. Step 4: Simplify right side
    372,306.07x = 59,225,349,637.01
  5. Step 5: Solve for x
    x = 59,225,349,637.01/372,306.07
  6. Step 6: Final answer
    x = 159,077.05

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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.