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Finding the Fourth Proportional to 228,059.58, 314,669.91 and 136,160.96

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Solution

The fourth proportional to 228,059.58, 314,669.91 and 136,160.96 is: 187,870.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,059.58 : 314,669.91 = 136,160.96 : x
  2. Step 2: Convert to fraction form
    228,059.58/314,669.91 = 136,160.96/x
  3. Step 3: Cross multiply
    228,059.58x = 314,669.91 × 136,160.96
  4. Step 4: Simplify right side
    228,059.58x = 42,845,756,347.91
  5. Step 5: Solve for x
    x = 42,845,756,347.91/228,059.58
  6. Step 6: Final answer
    x = 187,870.89

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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.