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Finding the Fourth Proportional to 114,752.80, 158,350 and 64,442.08

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Solution

The fourth proportional to 114,752.80, 158,350 and 64,442.08 is: 88,925.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,752.80 : 158,350 = 64,442.08 : x
  2. Step 2: Convert to fraction form
    114,752.80/158,350 = 64,442.08/x
  3. Step 3: Cross multiply
    114,752.80x = 158,350 × 64,442.08
  4. Step 4: Simplify right side
    114,752.80x = 10,204,403,368
  5. Step 5: Solve for x
    x = 10,204,403,368/114,752.80
  6. Step 6: Final answer
    x = 88,925.09

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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.