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Finding the Fourth Proportional to 468,923.61, 703,386.30 and 113,937.93

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Solution

The fourth proportional to 468,923.61, 703,386.30 and 113,937.93 is: 170,907.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,923.61 : 703,386.30 = 113,937.93 : x
  2. Step 2: Convert to fraction form
    468,923.61/703,386.30 = 113,937.93/x
  3. Step 3: Cross multiply
    468,923.61x = 703,386.30 × 113,937.93
  4. Step 4: Simplify right side
    468,923.61x = 80,142,378,442.67
  5. Step 5: Solve for x
    x = 80,142,378,442.67/468,923.61
  6. Step 6: Final answer
    x = 170,907.11

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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.