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Finding the Fourth Proportional to 77,197.34, 115,593 and 62,124.32

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Solution

The fourth proportional to 77,197.34, 115,593 and 62,124.32 is: 93,023.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,197.34 : 115,593 = 62,124.32 : x
  2. Step 2: Convert to fraction form
    77,197.34/115,593 = 62,124.32/x
  3. Step 3: Cross multiply
    77,197.34x = 115,593 × 62,124.32
  4. Step 4: Simplify right side
    77,197.34x = 7,181,136,521.76
  5. Step 5: Solve for x
    x = 7,181,136,521.76/77,197.34
  6. Step 6: Final answer
    x = 93,023.11

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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.