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Finding the Fourth Proportional to 186,288.48, 278,001.48 and 166,358.88

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Solution

The fourth proportional to 186,288.48, 278,001.48 and 166,358.88 is: 248,260.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,288.48 : 278,001.48 = 166,358.88 : x
  2. Step 2: Convert to fraction form
    186,288.48/278,001.48 = 166,358.88/x
  3. Step 3: Cross multiply
    186,288.48x = 278,001.48 × 166,358.88
  4. Step 4: Simplify right side
    186,288.48x = 46,248,014,851.14
  5. Step 5: Solve for x
    x = 46,248,014,851.14/186,288.48
  6. Step 6: Final answer
    x = 248,260.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.