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Finding the Fourth Proportional to 92,396.61, 127,507.62 and 49,955.45

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Solution

The fourth proportional to 92,396.61, 127,507.62 and 49,955.45 is: 68,938.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,396.61 : 127,507.62 = 49,955.45 : x
  2. Step 2: Convert to fraction form
    92,396.61/127,507.62 = 49,955.45/x
  3. Step 3: Cross multiply
    92,396.61x = 127,507.62 × 49,955.45
  4. Step 4: Simplify right side
    92,396.61x = 6,369,700,085.32
  5. Step 5: Solve for x
    x = 6,369,700,085.32/92,396.61
  6. Step 6: Final answer
    x = 68,938.68

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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.