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Finding the Fourth Proportional to 207,124.40, 285,527.40 and 146,508.32

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Solution

The fourth proportional to 207,124.40, 285,527.40 and 146,508.32 is: 201,966.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,124.40 : 285,527.40 = 146,508.32 : x
  2. Step 2: Convert to fraction form
    207,124.40/285,527.40 = 146,508.32/x
  3. Step 3: Cross multiply
    207,124.40x = 285,527.40 × 146,508.32
  4. Step 4: Simplify right side
    207,124.40x = 41,832,139,687.97
  5. Step 5: Solve for x
    x = 41,832,139,687.97/207,124.40
  6. Step 6: Final answer
    x = 201,966.26

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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.