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Finding the Fourth Proportional to 157,123.60, 235,685.40 and 63,696.40

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Solution

The fourth proportional to 157,123.60, 235,685.40 and 63,696.40 is: 95,544.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,123.60 : 235,685.40 = 63,696.40 : x
  2. Step 2: Convert to fraction form
    157,123.60/235,685.40 = 63,696.40/x
  3. Step 3: Cross multiply
    157,123.60x = 235,685.40 × 63,696.40
  4. Step 4: Simplify right side
    157,123.60x = 15,012,311,512.56
  5. Step 5: Solve for x
    x = 15,012,311,512.56/157,123.60
  6. Step 6: Final answer
    x = 95,544.60

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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.