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Finding the Fourth Proportional to 144,549.69, 216,817.85 and 37,931.01

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Solution

The fourth proportional to 144,549.69, 216,817.85 and 37,931.01 is: 56,894.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,549.69 : 216,817.85 = 37,931.01 : x
  2. Step 2: Convert to fraction form
    144,549.69/216,817.85 = 37,931.01/x
  3. Step 3: Cross multiply
    144,549.69x = 216,817.85 × 37,931.01
  4. Step 4: Simplify right side
    144,549.69x = 8,224,120,036.53
  5. Step 5: Solve for x
    x = 8,224,120,036.53/144,549.69
  6. Step 6: Final answer
    x = 56,894.76

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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.