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Finding the Fourth Proportional to 105,045.88, 157,568.84 and 34,925.80

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Solution

The fourth proportional to 105,045.88, 157,568.84 and 34,925.80 is: 52,388.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,045.88 : 157,568.84 = 34,925.80 : x
  2. Step 2: Convert to fraction form
    105,045.88/157,568.84 = 34,925.80/x
  3. Step 3: Cross multiply
    105,045.88x = 157,568.84 × 34,925.80
  4. Step 4: Simplify right side
    105,045.88x = 5,503,217,792.07
  5. Step 5: Solve for x
    x = 5,503,217,792.07/105,045.88
  6. Step 6: Final answer
    x = 52,388.71

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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.