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Finding the Fourth Proportional to 157,217.70, 235,826.55 and 117,300.90

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Solution

The fourth proportional to 157,217.70, 235,826.55 and 117,300.90 is: 175,951.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,217.70 : 235,826.55 = 117,300.90 : x
  2. Step 2: Convert to fraction form
    157,217.70/235,826.55 = 117,300.90/x
  3. Step 3: Cross multiply
    157,217.70x = 235,826.55 × 117,300.90
  4. Step 4: Simplify right side
    157,217.70x = 27,662,666,558.90
  5. Step 5: Solve for x
    x = 27,662,666,558.90/157,217.70
  6. Step 6: Final answer
    x = 175,951.35

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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.