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Finding the Fourth Proportional to 83,335.95, 114,985.31 and 49,327.43

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Solution

The fourth proportional to 83,335.95, 114,985.31 and 49,327.43 is: 68,061.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,335.95 : 114,985.31 = 49,327.43 : x
  2. Step 2: Convert to fraction form
    83,335.95/114,985.31 = 49,327.43/x
  3. Step 3: Cross multiply
    83,335.95x = 114,985.31 × 49,327.43
  4. Step 4: Simplify right side
    83,335.95x = 5,671,929,008.49
  5. Step 5: Solve for x
    x = 5,671,929,008.49/83,335.95
  6. Step 6: Final answer
    x = 68,061.01

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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.