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Finding the Fourth Proportional to 153,810.60, 230,715.90 and 94,453.80

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Solution

The fourth proportional to 153,810.60, 230,715.90 and 94,453.80 is: 141,680.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,810.60 : 230,715.90 = 94,453.80 : x
  2. Step 2: Convert to fraction form
    153,810.60/230,715.90 = 94,453.80/x
  3. Step 3: Cross multiply
    153,810.60x = 230,715.90 × 94,453.80
  4. Step 4: Simplify right side
    153,810.60x = 21,791,993,475.42
  5. Step 5: Solve for x
    x = 21,791,993,475.42/153,810.60
  6. Step 6: Final answer
    x = 141,680.70

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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.