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Finding the Fourth Proportional to 229,646.45, 316,922.88 and 127,673.58

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Solution

The fourth proportional to 229,646.45, 316,922.88 and 127,673.58 is: 176,195.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,646.45 : 316,922.88 = 127,673.58 : x
  2. Step 2: Convert to fraction form
    229,646.45/316,922.88 = 127,673.58/x
  3. Step 3: Cross multiply
    229,646.45x = 316,922.88 × 127,673.58
  4. Step 4: Simplify right side
    229,646.45x = 40,462,678,673.51
  5. Step 5: Solve for x
    x = 40,462,678,673.51/229,646.45
  6. Step 6: Final answer
    x = 176,195.54

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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.