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Finding the Fourth Proportional to 169,860.72, 254,821.72 and 69,966.38

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Solution

The fourth proportional to 169,860.72, 254,821.72 and 69,966.38 is: 104,962.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,860.72 : 254,821.72 = 69,966.38 : x
  2. Step 2: Convert to fraction form
    169,860.72/254,821.72 = 69,966.38/x
  3. Step 3: Cross multiply
    169,860.72x = 254,821.72 × 69,966.38
  4. Step 4: Simplify right side
    169,860.72x = 17,828,953,293.77
  5. Step 5: Solve for x
    x = 17,828,953,293.77/169,860.72
  6. Step 6: Final answer
    x = 104,962.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.