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Finding the Fourth Proportional to 146,875.52, 202,688.52 and 86,446.28

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Solution

The fourth proportional to 146,875.52, 202,688.52 and 86,446.28 is: 119,296.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,875.52 : 202,688.52 = 86,446.28 : x
  2. Step 2: Convert to fraction form
    146,875.52/202,688.52 = 86,446.28/x
  3. Step 3: Cross multiply
    146,875.52x = 202,688.52 × 86,446.28
  4. Step 4: Simplify right side
    146,875.52x = 17,521,668,552.71
  5. Step 5: Solve for x
    x = 17,521,668,552.71/146,875.52
  6. Step 6: Final answer
    x = 119,296.04

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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.