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Finding the Fourth Proportional to 222,820.61, 307,492.95 and 127,327.08

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Solution

The fourth proportional to 222,820.61, 307,492.95 and 127,327.08 is: 175,711.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,820.61 : 307,492.95 = 127,327.08 : x
  2. Step 2: Convert to fraction form
    222,820.61/307,492.95 = 127,327.08/x
  3. Step 3: Cross multiply
    222,820.61x = 307,492.95 × 127,327.08
  4. Step 4: Simplify right side
    222,820.61x = 39,152,177,269.99
  5. Step 5: Solve for x
    x = 39,152,177,269.99/222,820.61
  6. Step 6: Final answer
    x = 175,711.65

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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.