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Finding the Fourth Proportional to 92,798.35, 128,062.08 and 50,356.88

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Solution

The fourth proportional to 92,798.35, 128,062.08 and 50,356.88 is: 69,492.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,798.35 : 128,062.08 = 50,356.88 : x
  2. Step 2: Convert to fraction form
    92,798.35/128,062.08 = 50,356.88/x
  3. Step 3: Cross multiply
    92,798.35x = 128,062.08 × 50,356.88
  4. Step 4: Simplify right side
    92,798.35x = 6,448,806,795.11
  5. Step 5: Solve for x
    x = 6,448,806,795.11/92,798.35
  6. Step 6: Final answer
    x = 69,492.69

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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.