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Finding the Fourth Proportional to 111,594.93, 154,010.51 and 63,205.47

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Solution

The fourth proportional to 111,594.93, 154,010.51 and 63,205.47 is: 87,228.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,594.93 : 154,010.51 = 63,205.47 : x
  2. Step 2: Convert to fraction form
    111,594.93/154,010.51 = 63,205.47/x
  3. Step 3: Cross multiply
    111,594.93x = 154,010.51 × 63,205.47
  4. Step 4: Simplify right side
    111,594.93x = 9,734,306,353.46
  5. Step 5: Solve for x
    x = 9,734,306,353.46/111,594.93
  6. Step 6: Final answer
    x = 87,228.93

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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.