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Finding the Fourth Proportional to 161,152.60, 241,437.30 and 131,409.40

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Solution

The fourth proportional to 161,152.60, 241,437.30 and 131,409.40 is: 196,876.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,152.60 : 241,437.30 = 131,409.40 : x
  2. Step 2: Convert to fraction form
    161,152.60/241,437.30 = 131,409.40/x
  3. Step 3: Cross multiply
    161,152.60x = 241,437.30 × 131,409.40
  4. Step 4: Simplify right side
    161,152.60x = 31,727,130,730.62
  5. Step 5: Solve for x
    x = 31,727,130,730.62/161,152.60
  6. Step 6: Final answer
    x = 196,876.32

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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.