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Finding the Fourth Proportional to 229,007.30, 316,035.15 and 127,029.45

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Solution

The fourth proportional to 229,007.30, 316,035.15 and 127,029.45 is: 175,303.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,007.30 : 316,035.15 = 127,029.45 : x
  2. Step 2: Convert to fraction form
    229,007.30/316,035.15 = 127,029.45/x
  3. Step 3: Cross multiply
    229,007.30x = 316,035.15 × 127,029.45
  4. Step 4: Simplify right side
    229,007.30x = 40,145,771,285.17
  5. Step 5: Solve for x
    x = 40,145,771,285.17/229,007.30
  6. Step 6: Final answer
    x = 175,303.46

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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.