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Finding the Fourth Proportional to 83,094.66, 124,809.66 and 49,877.78

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Solution

The fourth proportional to 83,094.66, 124,809.66 and 49,877.78 is: 74,917.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,094.66 : 124,809.66 = 49,877.78 : x
  2. Step 2: Convert to fraction form
    83,094.66/124,809.66 = 49,877.78/x
  3. Step 3: Cross multiply
    83,094.66x = 124,809.66 × 49,877.78
  4. Step 4: Simplify right side
    83,094.66x = 6,225,228,139.31
  5. Step 5: Solve for x
    x = 6,225,228,139.31/83,094.66
  6. Step 6: Final answer
    x = 74,917.31

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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.