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Finding the Fourth Proportional to 92,124.81, 127,130.74 and 51,838.55

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Solution

The fourth proportional to 92,124.81, 127,130.74 and 51,838.55 is: 71,536.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,124.81 : 127,130.74 = 51,838.55 : x
  2. Step 2: Convert to fraction form
    92,124.81/127,130.74 = 51,838.55/x
  3. Step 3: Cross multiply
    92,124.81x = 127,130.74 × 51,838.55
  4. Step 4: Simplify right side
    92,124.81x = 6,590,273,222.03
  5. Step 5: Solve for x
    x = 6,590,273,222.03/92,124.81
  6. Step 6: Final answer
    x = 71,536.36

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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.