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Finding the Fourth Proportional to 114,876.63, 158,528.34 and 64,575.63

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Solution

The fourth proportional to 114,876.63, 158,528.34 and 64,575.63 is: 89,113.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,876.63 : 158,528.34 = 64,575.63 : x
  2. Step 2: Convert to fraction form
    114,876.63/158,528.34 = 64,575.63/x
  3. Step 3: Cross multiply
    114,876.63x = 158,528.34 × 64,575.63
  4. Step 4: Simplify right side
    114,876.63x = 10,237,067,428.35
  5. Step 5: Solve for x
    x = 10,237,067,428.35/114,876.63
  6. Step 6: Final answer
    x = 89,113.58

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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.