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Finding the Fourth Proportional to 144,287.98, 216,421.70 and 44,437.76

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Solution

The fourth proportional to 144,287.98, 216,421.70 and 44,437.76 is: 66,653.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,287.98 : 216,421.70 = 44,437.76 : x
  2. Step 2: Convert to fraction form
    144,287.98/216,421.70 = 44,437.76/x
  3. Step 3: Cross multiply
    144,287.98x = 216,421.70 × 44,437.76
  4. Step 4: Simplify right side
    144,287.98x = 9,617,295,070.68
  5. Step 5: Solve for x
    x = 9,617,295,070.68/144,287.98
  6. Step 6: Final answer
    x = 66,653.47

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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.