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Finding the Fourth Proportional to 162,931.50, 244,386.32 and 44,603.87

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Solution

The fourth proportional to 162,931.50, 244,386.32 and 44,603.87 is: 66,902.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,931.50 : 244,386.32 = 44,603.87 : x
  2. Step 2: Convert to fraction form
    162,931.50/244,386.32 = 44,603.87/x
  3. Step 3: Cross multiply
    162,931.50x = 244,386.32 × 44,603.87
  4. Step 4: Simplify right side
    162,931.50x = 10,900,574,202.11
  5. Step 5: Solve for x
    x = 10,900,574,202.11/162,931.50
  6. Step 6: Final answer
    x = 66,902.80

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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.