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Finding the Fourth Proportional to 169,666.25, 255,691.01 and 152,820.36

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Solution

The fourth proportional to 169,666.25, 255,691.01 and 152,820.36 is: 230,303.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,666.25 : 255,691.01 = 152,820.36 : x
  2. Step 2: Convert to fraction form
    169,666.25/255,691.01 = 152,820.36/x
  3. Step 3: Cross multiply
    169,666.25x = 255,691.01 × 152,820.36
  4. Step 4: Simplify right side
    169,666.25x = 39,074,792,579.01
  5. Step 5: Solve for x
    x = 39,074,792,579.01/169,666.25
  6. Step 6: Final answer
    x = 230,303.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.