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Finding the Fourth Proportional to 124,293.90, 186,440.65 and 30,799.65

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Solution

The fourth proportional to 124,293.90, 186,440.65 and 30,799.65 is: 46,199.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,293.90 : 186,440.65 = 30,799.65 : x
  2. Step 2: Convert to fraction form
    124,293.90/186,440.65 = 30,799.65/x
  3. Step 3: Cross multiply
    124,293.90x = 186,440.65 × 30,799.65
  4. Step 4: Simplify right side
    124,293.90x = 5,742,306,688.77
  5. Step 5: Solve for x
    x = 5,742,306,688.77/124,293.90
  6. Step 6: Final answer
    x = 46,199.42

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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.