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Finding the Fourth Proportional to 187,294.72, 258,418.74 and 110,810.20

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Solution

The fourth proportional to 187,294.72, 258,418.74 and 110,810.20 is: 152,889.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,294.72 : 258,418.74 = 110,810.20 : x
  2. Step 2: Convert to fraction form
    187,294.72/258,418.74 = 110,810.20/x
  3. Step 3: Cross multiply
    187,294.72x = 258,418.74 × 110,810.20
  4. Step 4: Simplify right side
    187,294.72x = 28,635,432,263.15
  5. Step 5: Solve for x
    x = 28,635,432,263.15/187,294.72
  6. Step 6: Final answer
    x = 152,889.69

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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.