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Finding the Fourth Proportional to 134,618.86, 185,774.76 and 77,253.62

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Solution

The fourth proportional to 134,618.86, 185,774.76 and 77,253.62 is: 106,610.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,618.86 : 185,774.76 = 77,253.62 : x
  2. Step 2: Convert to fraction form
    134,618.86/185,774.76 = 77,253.62/x
  3. Step 3: Cross multiply
    134,618.86x = 185,774.76 × 77,253.62
  4. Step 4: Simplify right side
    134,618.86x = 14,351,772,714.63
  5. Step 5: Solve for x
    x = 14,351,772,714.63/134,618.86
  6. Step 6: Final answer
    x = 106,610.42

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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.