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Finding the Fourth Proportional to 187,395.68, 258,605.22 and 101,354.75

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Solution

The fourth proportional to 187,395.68, 258,605.22 and 101,354.75 is: 139,869.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,395.68 : 258,605.22 = 101,354.75 : x
  2. Step 2: Convert to fraction form
    187,395.68/258,605.22 = 101,354.75/x
  3. Step 3: Cross multiply
    187,395.68x = 258,605.22 × 101,354.75
  4. Step 4: Simplify right side
    187,395.68x = 26,210,866,128.77
  5. Step 5: Solve for x
    x = 26,210,866,128.77/187,395.68
  6. Step 6: Final answer
    x = 139,869.11

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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.