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Finding the Fourth Proportional to 122,851.71, 184,238.40 and 47,953.65

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Solution

The fourth proportional to 122,851.71, 184,238.40 and 47,953.65 is: 71,915.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,851.71 : 184,238.40 = 47,953.65 : x
  2. Step 2: Convert to fraction form
    122,851.71/184,238.40 = 47,953.65/x
  3. Step 3: Cross multiply
    122,851.71x = 184,238.40 × 47,953.65
  4. Step 4: Simplify right side
    122,851.71x = 8,834,903,750.16
  5. Step 5: Solve for x
    x = 8,834,903,750.16/122,851.71
  6. Step 6: Final answer
    x = 71,915.19

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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.