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Finding the Fourth Proportional to 97,415.80, 134,432.22 and 52,703.80

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Solution

The fourth proportional to 97,415.80, 134,432.22 and 52,703.80 is: 72,730.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,415.80 : 134,432.22 = 52,703.80 : x
  2. Step 2: Convert to fraction form
    97,415.80/134,432.22 = 52,703.80/x
  3. Step 3: Cross multiply
    97,415.80x = 134,432.22 × 52,703.80
  4. Step 4: Simplify right side
    97,415.80x = 7,085,088,836.44
  5. Step 5: Solve for x
    x = 7,085,088,836.44/97,415.80
  6. Step 6: Final answer
    x = 72,730.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.