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Finding the Fourth Proportional to 370,063.61, 555,115.59 and 117,325.81

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Solution

The fourth proportional to 370,063.61, 555,115.59 and 117,325.81 is: 175,995.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,063.61 : 555,115.59 = 117,325.81 : x
  2. Step 2: Convert to fraction form
    370,063.61/555,115.59 = 117,325.81/x
  3. Step 3: Cross multiply
    370,063.61x = 555,115.59 × 117,325.81
  4. Step 4: Simplify right side
    370,063.61x = 65,129,386,240.38
  5. Step 5: Solve for x
    x = 65,129,386,240.38/370,063.61
  6. Step 6: Final answer
    x = 175,995.11

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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.