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Finding the Fourth Proportional to 229,336.23, 316,473.30 and 127,368.30

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Solution

The fourth proportional to 229,336.23, 316,473.30 and 127,368.30 is: 175,762.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,336.23 : 316,473.30 = 127,368.30 : x
  2. Step 2: Convert to fraction form
    229,336.23/316,473.30 = 127,368.30/x
  3. Step 3: Cross multiply
    229,336.23x = 316,473.30 × 127,368.30
  4. Step 4: Simplify right side
    229,336.23x = 40,308,666,216.39
  5. Step 5: Solve for x
    x = 40,308,666,216.39/229,336.23
  6. Step 6: Final answer
    x = 175,762.31

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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.