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Finding the Fourth Proportional to 92,156.49, 127,175.93 and 51,870.47

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Solution

The fourth proportional to 92,156.49, 127,175.93 and 51,870.47 is: 71,581.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,156.49 : 127,175.93 = 51,870.47 : x
  2. Step 2: Convert to fraction form
    92,156.49/127,175.93 = 51,870.47/x
  3. Step 3: Cross multiply
    92,156.49x = 127,175.93 × 51,870.47
  4. Step 4: Simplify right side
    92,156.49x = 6,596,675,709.40
  5. Step 5: Solve for x
    x = 6,596,675,709.40/92,156.49
  6. Step 6: Final answer
    x = 71,581.24

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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.