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Finding the Fourth Proportional to 247,870.65, 342,060.59 and 140,461.22

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Solution

The fourth proportional to 247,870.65, 342,060.59 and 140,461.22 is: 193,835.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,870.65 : 342,060.59 = 140,461.22 : x
  2. Step 2: Convert to fraction form
    247,870.65/342,060.59 = 140,461.22/x
  3. Step 3: Cross multiply
    247,870.65x = 342,060.59 × 140,461.22
  4. Step 4: Simplify right side
    247,870.65x = 48,046,245,372.71
  5. Step 5: Solve for x
    x = 48,046,245,372.71/247,870.65
  6. Step 6: Final answer
    x = 193,835.96

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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.