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Finding the Fourth Proportional to 98,364.88, 147,503.80 and 28,227.92

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Solution

The fourth proportional to 98,364.88, 147,503.80 and 28,227.92 is: 42,329.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,364.88 : 147,503.80 = 28,227.92 : x
  2. Step 2: Convert to fraction form
    98,364.88/147,503.80 = 28,227.92/x
  3. Step 3: Cross multiply
    98,364.88x = 147,503.80 × 28,227.92
  4. Step 4: Simplify right side
    98,364.88x = 4,163,725,466.10
  5. Step 5: Solve for x
    x = 4,163,725,466.10/98,364.88
  6. Step 6: Final answer
    x = 42,329.39

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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.