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Finding the Fourth Proportional to 187,594.70, 258,878.72 and 101,551.74

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Solution

The fourth proportional to 187,594.70, 258,878.72 and 101,551.74 is: 140,140.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,594.70 : 258,878.72 = 101,551.74 : x
  2. Step 2: Convert to fraction form
    187,594.70/258,878.72 = 101,551.74/x
  3. Step 3: Cross multiply
    187,594.70x = 258,878.72 × 101,551.74
  4. Step 4: Simplify right side
    187,594.70x = 26,289,582,986.42
  5. Step 5: Solve for x
    x = 26,289,582,986.42/187,594.70
  6. Step 6: Final answer
    x = 140,140.33

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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.