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Finding the Fourth Proportional to 124,525.60, 186,788.40 and 113,250.40

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Solution

The fourth proportional to 124,525.60, 186,788.40 and 113,250.40 is: 169,875.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,525.60 : 186,788.40 = 113,250.40 : x
  2. Step 2: Convert to fraction form
    124,525.60/186,788.40 = 113,250.40/x
  3. Step 3: Cross multiply
    124,525.60x = 186,788.40 × 113,250.40
  4. Step 4: Simplify right side
    124,525.60x = 21,153,861,015.36
  5. Step 5: Solve for x
    x = 21,153,861,015.36/124,525.60
  6. Step 6: Final answer
    x = 169,875.60

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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.