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Finding the Fourth Proportional to 117,124.68, 175,703.82 and 38,219.40

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Solution

The fourth proportional to 117,124.68, 175,703.82 and 38,219.40 is: 57,334.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,124.68 : 175,703.82 = 38,219.40 : x
  2. Step 2: Convert to fraction form
    117,124.68/175,703.82 = 38,219.40/x
  3. Step 3: Cross multiply
    117,124.68x = 175,703.82 × 38,219.40
  4. Step 4: Simplify right side
    117,124.68x = 6,715,294,578.11
  5. Step 5: Solve for x
    x = 6,715,294,578.11/117,124.68
  6. Step 6: Final answer
    x = 57,334.58

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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.