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Finding the Fourth Proportional to 144,385.40, 216,602.70 and 44,543.72

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Solution

The fourth proportional to 144,385.40, 216,602.70 and 44,543.72 is: 66,823.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,385.40 : 216,602.70 = 44,543.72 : x
  2. Step 2: Convert to fraction form
    144,385.40/216,602.70 = 44,543.72/x
  3. Step 3: Cross multiply
    144,385.40x = 216,602.70 × 44,543.72
  4. Step 4: Simplify right side
    144,385.40x = 9,648,290,020.04
  5. Step 5: Solve for x
    x = 9,648,290,020.04/144,385.40
  6. Step 6: Final answer
    x = 66,823.17

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1.5x scale

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.