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Finding the Fourth Proportional to 92,117.64, 127,113.32 and 51,830.52

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Solution

The fourth proportional to 92,117.64, 127,113.32 and 51,830.52 is: 71,521.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,117.64 : 127,113.32 = 51,830.52 : x
  2. Step 2: Convert to fraction form
    92,117.64/127,113.32 = 51,830.52/x
  3. Step 3: Cross multiply
    92,117.64x = 127,113.32 × 51,830.52
  4. Step 4: Simplify right side
    92,117.64x = 6,588,349,474.53
  5. Step 5: Solve for x
    x = 6,588,349,474.53/92,117.64
  6. Step 6: Final answer
    x = 71,521.04

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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.