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Finding the Fourth Proportional to 171,617.60, 258,117.60 and 153,646.40

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Solution

The fourth proportional to 171,617.60, 258,117.60 and 153,646.40 is: 231,088.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,617.60 : 258,117.60 = 153,646.40 : x
  2. Step 2: Convert to fraction form
    171,617.60/258,117.60 = 153,646.40/x
  3. Step 3: Cross multiply
    171,617.60x = 258,117.60 × 153,646.40
  4. Step 4: Simplify right side
    171,617.60x = 39,658,840,016.64
  5. Step 5: Solve for x
    x = 39,658,840,016.64/171,617.60
  6. Step 6: Final answer
    x = 231,088.42

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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.