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Finding the Fourth Proportional to 98,800.95, 136,347.96 and 60,025.58

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Solution

The fourth proportional to 98,800.95, 136,347.96 and 60,025.58 is: 82,836.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,800.95 : 136,347.96 = 60,025.58 : x
  2. Step 2: Convert to fraction form
    98,800.95/136,347.96 = 60,025.58/x
  3. Step 3: Cross multiply
    98,800.95x = 136,347.96 × 60,025.58
  4. Step 4: Simplify right side
    98,800.95x = 8,184,364,924.17
  5. Step 5: Solve for x
    x = 8,184,364,924.17/98,800.95
  6. Step 6: Final answer
    x = 82,836.91

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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.