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Finding the Fourth Proportional to 92,797.95, 128,061.51 and 50,356.48

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Solution

The fourth proportional to 92,797.95, 128,061.51 and 50,356.48 is: 69,492.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,797.95 : 128,061.51 = 50,356.48 : x
  2. Step 2: Convert to fraction form
    92,797.95/128,061.51 = 50,356.48/x
  3. Step 3: Cross multiply
    92,797.95x = 128,061.51 × 50,356.48
  4. Step 4: Simplify right side
    92,797.95x = 6,448,726,867.08
  5. Step 5: Solve for x
    x = 6,448,726,867.08/92,797.95
  6. Step 6: Final answer
    x = 69,492.13

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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.