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Finding the Fourth Proportional to 109,602.68, 164,404.02 and 46,432.76

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Solution

The fourth proportional to 109,602.68, 164,404.02 and 46,432.76 is: 69,649.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,602.68 : 164,404.02 = 46,432.76 : x
  2. Step 2: Convert to fraction form
    109,602.68/164,404.02 = 46,432.76/x
  3. Step 3: Cross multiply
    109,602.68x = 164,404.02 × 46,432.76
  4. Step 4: Simplify right side
    109,602.68x = 7,633,732,403.70
  5. Step 5: Solve for x
    x = 7,633,732,403.70/109,602.68
  6. Step 6: Final answer
    x = 69,649.14

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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.