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Finding the Fourth Proportional to 229,055.65, 316,111.74 and 132,263.58

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Solution

The fourth proportional to 229,055.65, 316,111.74 and 132,263.58 is: 182,532.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,055.65 : 316,111.74 = 132,263.58 : x
  2. Step 2: Convert to fraction form
    229,055.65/316,111.74 = 132,263.58/x
  3. Step 3: Cross multiply
    229,055.65x = 316,111.74 × 132,263.58
  4. Step 4: Simplify right side
    229,055.65x = 41,810,071,473.85
  5. Step 5: Solve for x
    x = 41,810,071,473.85/229,055.65
  6. Step 6: Final answer
    x = 182,532.38

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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.