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Finding the Fourth Proportional to 114,428.58, 157,927.78 and 63,452.64

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Solution

The fourth proportional to 114,428.58, 157,927.78 and 63,452.64 is: 87,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,428.58 : 157,927.78 = 63,452.64 : x
  2. Step 2: Convert to fraction form
    114,428.58/157,927.78 = 63,452.64/x
  3. Step 3: Cross multiply
    114,428.58x = 157,927.78 × 63,452.64
  4. Step 4: Simplify right side
    114,428.58x = 10,020,934,570.34
  5. Step 5: Solve for x
    x = 10,020,934,570.34/114,428.58
  6. Step 6: Final answer
    x = 87,573.70

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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.