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Finding the Fourth Proportional to 252,707.92, 348,730.26 and 139,528.24

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Solution

The fourth proportional to 252,707.92, 348,730.26 and 139,528.24 is: 192,545.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,707.92 : 348,730.26 = 139,528.24 : x
  2. Step 2: Convert to fraction form
    252,707.92/348,730.26 = 139,528.24/x
  3. Step 3: Cross multiply
    252,707.92x = 348,730.26 × 139,528.24
  4. Step 4: Simplify right side
    252,707.92x = 48,657,719,412.54
  5. Step 5: Solve for x
    x = 48,657,719,412.54/252,707.92
  6. Step 6: Final answer
    x = 192,545.29

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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.