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Finding the Fourth Proportional to 111,148.19, 153,388.35 and 60,847.19

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Solution

The fourth proportional to 111,148.19, 153,388.35 and 60,847.19 is: 83,971.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,148.19 : 153,388.35 = 60,847.19 : x
  2. Step 2: Convert to fraction form
    111,148.19/153,388.35 = 60,847.19/x
  3. Step 3: Cross multiply
    111,148.19x = 153,388.35 × 60,847.19
  4. Step 4: Simplify right side
    111,148.19x = 9,333,249,540.65
  5. Step 5: Solve for x
    x = 9,333,249,540.65/111,148.19
  6. Step 6: Final answer
    x = 83,971.23

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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.