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Finding the Fourth Proportional to 98,719.94, 148,079.80 and 32,159.97

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Solution

The fourth proportional to 98,719.94, 148,079.80 and 32,159.97 is: 48,239.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,719.94 : 148,079.80 = 32,159.97 : x
  2. Step 2: Convert to fraction form
    98,719.94/148,079.80 = 32,159.97/x
  3. Step 3: Cross multiply
    98,719.94x = 148,079.80 × 32,159.97
  4. Step 4: Simplify right side
    98,719.94x = 4,762,241,925.61
  5. Step 5: Solve for x
    x = 4,762,241,925.61/98,719.94
  6. Step 6: Final answer
    x = 48,239.92

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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.