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Finding the Fourth Proportional to 144,580.08, 216,881.04 and 44,750.40

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Solution

The fourth proportional to 144,580.08, 216,881.04 and 44,750.40 is: 67,128.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,580.08 : 216,881.04 = 44,750.40 : x
  2. Step 2: Convert to fraction form
    144,580.08/216,881.04 = 44,750.40/x
  3. Step 3: Cross multiply
    144,580.08x = 216,881.04 × 44,750.40
  4. Step 4: Simplify right side
    144,580.08x = 9,705,513,292.42
  5. Step 5: Solve for x
    x = 9,705,513,292.42/144,580.08
  6. Step 6: Final answer
    x = 67,128.98

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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.