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Finding the Fourth Proportional to 122,122.80, 183,210.35 and 37,881.14

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Solution

The fourth proportional to 122,122.80, 183,210.35 and 37,881.14 is: 56,829.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,122.80 : 183,210.35 = 37,881.14 : x
  2. Step 2: Convert to fraction form
    122,122.80/183,210.35 = 37,881.14/x
  3. Step 3: Cross multiply
    122,122.80x = 183,210.35 × 37,881.14
  4. Step 4: Simplify right side
    122,122.80x = 6,940,215,812.34
  5. Step 5: Solve for x
    x = 6,940,215,812.34/122,122.80
  6. Step 6: Final answer
    x = 56,829.81

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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.