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Finding the Fourth Proportional to 187,847.80, 282,030.90 and 148,449.40

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Solution

The fourth proportional to 187,847.80, 282,030.90 and 148,449.40 is: 222,878.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,847.80 : 282,030.90 = 148,449.40 : x
  2. Step 2: Convert to fraction form
    187,847.80/282,030.90 = 148,449.40/x
  3. Step 3: Cross multiply
    187,847.80x = 282,030.90 × 148,449.40
  4. Step 4: Simplify right side
    187,847.80x = 41,867,317,886.46
  5. Step 5: Solve for x
    x = 41,867,317,886.46/187,847.80
  6. Step 6: Final answer
    x = 222,878.94

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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.