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Finding the Fourth Proportional to 124,580.70, 186,871.05 and 121,300.20

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Solution

The fourth proportional to 124,580.70, 186,871.05 and 121,300.20 is: 181,950.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,580.70 : 186,871.05 = 121,300.20 : x
  2. Step 2: Convert to fraction form
    124,580.70/186,871.05 = 121,300.20/x
  3. Step 3: Cross multiply
    124,580.70x = 186,871.05 × 121,300.20
  4. Step 4: Simplify right side
    124,580.70x = 22,667,495,739.21
  5. Step 5: Solve for x
    x = 22,667,495,739.21/124,580.70
  6. Step 6: Final answer
    x = 181,950.30

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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.