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Finding the Fourth Proportional to 92,482.55, 138,728.61 and 29,309.38

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Solution

The fourth proportional to 92,482.55, 138,728.61 and 29,309.38 is: 43,965.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,482.55 : 138,728.61 = 29,309.38 : x
  2. Step 2: Convert to fraction form
    92,482.55/138,728.61 = 29,309.38/x
  3. Step 3: Cross multiply
    92,482.55x = 138,728.61 × 29,309.38
  4. Step 4: Simplify right side
    92,482.55x = 4,066,049,547.36
  5. Step 5: Solve for x
    x = 4,066,049,547.36/92,482.55
  6. Step 6: Final answer
    x = 43,965.59

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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.