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Finding the Fourth Proportional to 153,889.60, 230,834.40 and 101,358.40

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Solution

The fourth proportional to 153,889.60, 230,834.40 and 101,358.40 is: 152,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,889.60 : 230,834.40 = 101,358.40 : x
  2. Step 2: Convert to fraction form
    153,889.60/230,834.40 = 101,358.40/x
  3. Step 3: Cross multiply
    153,889.60x = 230,834.40 × 101,358.40
  4. Step 4: Simplify right side
    153,889.60x = 23,397,005,448.96
  5. Step 5: Solve for x
    x = 23,397,005,448.96/153,889.60
  6. Step 6: Final answer
    x = 152,037.60

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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.