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Finding the Fourth Proportional to 75,237.68, 103,838.76 and 43,417.52

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Solution

The fourth proportional to 75,237.68, 103,838.76 and 43,417.52 is: 59,922.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,237.68 : 103,838.76 = 43,417.52 : x
  2. Step 2: Convert to fraction form
    75,237.68/103,838.76 = 43,417.52/x
  3. Step 3: Cross multiply
    75,237.68x = 103,838.76 × 43,417.52
  4. Step 4: Simplify right side
    75,237.68x = 4,508,421,439.08
  5. Step 5: Solve for x
    x = 4,508,421,439.08/75,237.68
  6. Step 6: Final answer
    x = 59,922.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.