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Finding the Fourth Proportional to 229,967.04, 317,364.96 and 127,999.02

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Solution

The fourth proportional to 229,967.04, 317,364.96 and 127,999.02 is: 176,644.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,967.04 : 317,364.96 = 127,999.02 : x
  2. Step 2: Convert to fraction form
    229,967.04/317,364.96 = 127,999.02/x
  3. Step 3: Cross multiply
    229,967.04x = 317,364.96 × 127,999.02
  4. Step 4: Simplify right side
    229,967.04x = 40,622,403,862.34
  5. Step 5: Solve for x
    x = 40,622,403,862.34/229,967.04
  6. Step 6: Final answer
    x = 176,644.46

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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.