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Finding the Fourth Proportional to 171,051.40, 235,724.34 and 148,656.52

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Solution

The fourth proportional to 171,051.40, 235,724.34 and 148,656.52 is: 204,862.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,051.40 : 235,724.34 = 148,656.52 : x
  2. Step 2: Convert to fraction form
    171,051.40/235,724.34 = 148,656.52/x
  3. Step 3: Cross multiply
    171,051.40x = 235,724.34 × 148,656.52
  4. Step 4: Simplify right side
    171,051.40x = 35,041,960,063.70
  5. Step 5: Solve for x
    x = 35,041,960,063.70/171,051.40
  6. Step 6: Final answer
    x = 204,862.16

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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.