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Finding the Fourth Proportional to 168,307.76, 252,427.08 and 63,124.40

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Solution

The fourth proportional to 168,307.76, 252,427.08 and 63,124.40 is: 94,673.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,307.76 : 252,427.08 = 63,124.40 : x
  2. Step 2: Convert to fraction form
    168,307.76/252,427.08 = 63,124.40/x
  3. Step 3: Cross multiply
    168,307.76x = 252,427.08 × 63,124.40
  4. Step 4: Simplify right side
    168,307.76x = 15,934,307,968.75
  5. Step 5: Solve for x
    x = 15,934,307,968.75/168,307.76
  6. Step 6: Final answer
    x = 94,673.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.