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Finding the Fourth Proportional to 124,630.40, 186,945.60 and 58,048.40

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Solution

The fourth proportional to 124,630.40, 186,945.60 and 58,048.40 is: 87,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,630.40 : 186,945.60 = 58,048.40 : x
  2. Step 2: Convert to fraction form
    124,630.40/186,945.60 = 58,048.40/x
  3. Step 3: Cross multiply
    124,630.40x = 186,945.60 × 58,048.40
  4. Step 4: Simplify right side
    124,630.40x = 10,851,892,967.04
  5. Step 5: Solve for x
    x = 10,851,892,967.04/124,630.40
  6. Step 6: Final answer
    x = 87,072.60

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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.