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Finding the Fourth Proportional to 173,991.18, 240,103.88 and 101,389.53

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Solution

The fourth proportional to 173,991.18, 240,103.88 and 101,389.53 is: 139,915.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,991.18 : 240,103.88 = 101,389.53 : x
  2. Step 2: Convert to fraction form
    173,991.18/240,103.88 = 101,389.53/x
  3. Step 3: Cross multiply
    173,991.18x = 240,103.88 × 101,389.53
  4. Step 4: Simplify right side
    173,991.18x = 24,344,019,637.69
  5. Step 5: Solve for x
    x = 24,344,019,637.69/173,991.18
  6. Step 6: Final answer
    x = 139,915.25

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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.