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Finding the Fourth Proportional to 153,452.70, 211,775.37 and 93,025.89

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Solution

The fourth proportional to 153,452.70, 211,775.37 and 93,025.89 is: 128,382.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,452.70 : 211,775.37 = 93,025.89 : x
  2. Step 2: Convert to fraction form
    153,452.70/211,775.37 = 93,025.89/x
  3. Step 3: Cross multiply
    153,452.70x = 211,775.37 × 93,025.89
  4. Step 4: Simplify right side
    153,452.70x = 19,700,593,175.19
  5. Step 5: Solve for x
    x = 19,700,593,175.19/153,452.70
  6. Step 6: Final answer
    x = 128,382.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.