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Finding the Fourth Proportional to 255,915.06, 383,874.15 and 113,726.93

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Solution

The fourth proportional to 255,915.06, 383,874.15 and 113,726.93 is: 170,591.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,915.06 : 383,874.15 = 113,726.93 : x
  2. Step 2: Convert to fraction form
    255,915.06/383,874.15 = 113,726.93/x
  3. Step 3: Cross multiply
    255,915.06x = 383,874.15 × 113,726.93
  4. Step 4: Simplify right side
    255,915.06x = 43,656,826,666.49
  5. Step 5: Solve for x
    x = 43,656,826,666.49/255,915.06
  6. Step 6: Final answer
    x = 170,591.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.