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Finding the Fourth Proportional to 144,357.71, 216,536.68 and 39,176.68

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Solution

The fourth proportional to 144,357.71, 216,536.68 and 39,176.68 is: 58,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,357.71 : 216,536.68 = 39,176.68 : x
  2. Step 2: Convert to fraction form
    144,357.71/216,536.68 = 39,176.68/x
  3. Step 3: Cross multiply
    144,357.71x = 216,536.68 × 39,176.68
  4. Step 4: Simplify right side
    144,357.71x = 8,483,187,913.89
  5. Step 5: Solve for x
    x = 8,483,187,913.89/144,357.71
  6. Step 6: Final answer
    x = 58,765.05

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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.