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Finding the Fourth Proportional to 242,720.64, 364,166.40 and 124,447.68

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Solution

The fourth proportional to 242,720.64, 364,166.40 and 124,447.68 is: 186,715.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,720.64 : 364,166.40 = 124,447.68 : x
  2. Step 2: Convert to fraction form
    242,720.64/364,166.40 = 124,447.68/x
  3. Step 3: Cross multiply
    242,720.64x = 364,166.40 × 124,447.68
  4. Step 4: Simplify right side
    242,720.64x = 45,319,663,613.95
  5. Step 5: Solve for x
    x = 45,319,663,613.95/242,720.64
  6. Step 6: Final answer
    x = 186,715.33

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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.