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Finding the Fourth Proportional to 229,501.90, 316,706.32 and 127,524.74

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Solution

The fourth proportional to 229,501.90, 316,706.32 and 127,524.74 is: 175,980.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,501.90 : 316,706.32 = 127,524.74 : x
  2. Step 2: Convert to fraction form
    229,501.90/316,706.32 = 127,524.74/x
  3. Step 3: Cross multiply
    229,501.90x = 316,706.32 × 127,524.74
  4. Step 4: Simplify right side
    229,501.90x = 40,387,891,114.36
  5. Step 5: Solve for x
    x = 40,387,891,114.36/229,501.90
  6. Step 6: Final answer
    x = 175,980.64

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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.