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Finding the Fourth Proportional to 124,854.50, 187,281.76 and 37,302.50

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Solution

The fourth proportional to 124,854.50, 187,281.76 and 37,302.50 is: 55,953.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,854.50 : 187,281.76 = 37,302.50 : x
  2. Step 2: Convert to fraction form
    124,854.50/187,281.76 = 37,302.50/x
  3. Step 3: Cross multiply
    124,854.50x = 187,281.76 × 37,302.50
  4. Step 4: Simplify right side
    124,854.50x = 6,986,077,852.40
  5. Step 5: Solve for x
    x = 6,986,077,852.40/124,854.50
  6. Step 6: Final answer
    x = 55,953.75

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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.