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Finding the Fourth Proportional to 122,407.71, 183,612.59 and 33,666.08

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Solution

The fourth proportional to 122,407.71, 183,612.59 and 33,666.08 is: 50,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,407.71 : 183,612.59 = 33,666.08 : x
  2. Step 2: Convert to fraction form
    122,407.71/183,612.59 = 33,666.08/x
  3. Step 3: Cross multiply
    122,407.71x = 183,612.59 × 33,666.08
  4. Step 4: Simplify right side
    122,407.71x = 6,181,516,143.95
  5. Step 5: Solve for x
    x = 6,181,516,143.95/122,407.71
  6. Step 6: Final answer
    x = 50,499.40

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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.