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Finding the Fourth Proportional to 61,347.60, 92,107.80 and 48,214.80

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Solution

The fourth proportional to 61,347.60, 92,107.80 and 48,214.80 is: 72,390.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,347.60 : 92,107.80 = 48,214.80 : x
  2. Step 2: Convert to fraction form
    61,347.60/92,107.80 = 48,214.80/x
  3. Step 3: Cross multiply
    61,347.60x = 92,107.80 × 48,214.80
  4. Step 4: Simplify right side
    61,347.60x = 4,440,959,155.44
  5. Step 5: Solve for x
    x = 4,440,959,155.44/61,347.60
  6. Step 6: Final answer
    x = 72,390.10

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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.