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Finding the Fourth Proportional to 222,849.76, 307,554.76 and 127,370.16

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Solution

The fourth proportional to 222,849.76, 307,554.76 and 127,370.16 is: 175,783.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,849.76 : 307,554.76 = 127,370.16 : x
  2. Step 2: Convert to fraction form
    222,849.76/307,554.76 = 127,370.16/x
  3. Step 3: Cross multiply
    222,849.76x = 307,554.76 × 127,370.16
  4. Step 4: Simplify right side
    222,849.76x = 39,173,298,989.96
  5. Step 5: Solve for x
    x = 39,173,298,989.96/222,849.76
  6. Step 6: Final answer
    x = 175,783.45

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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.