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Finding the Fourth Proportional to 227,699.56, 314,220.90 and 127,095.40

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Solution

The fourth proportional to 227,699.56, 314,220.90 and 127,095.40 is: 175,389.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,699.56 : 314,220.90 = 127,095.40 : x
  2. Step 2: Convert to fraction form
    227,699.56/314,220.90 = 127,095.40/x
  3. Step 3: Cross multiply
    227,699.56x = 314,220.90 × 127,095.40
  4. Step 4: Simplify right side
    227,699.56x = 39,936,030,973.86
  5. Step 5: Solve for x
    x = 39,936,030,973.86/227,699.56
  6. Step 6: Final answer
    x = 175,389.14

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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.