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Finding the Fourth Proportional to 124,587.60, 186,881.40 and 114,964.80

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Solution

The fourth proportional to 124,587.60, 186,881.40 and 114,964.80 is: 172,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,587.60 : 186,881.40 = 114,964.80 : x
  2. Step 2: Convert to fraction form
    124,587.60/186,881.40 = 114,964.80/x
  3. Step 3: Cross multiply
    124,587.60x = 186,881.40 × 114,964.80
  4. Step 4: Simplify right side
    124,587.60x = 21,484,782,774.72
  5. Step 5: Solve for x
    x = 21,484,782,774.72/124,587.60
  6. Step 6: Final answer
    x = 172,447.20

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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.