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Finding the Fourth Proportional to 88,798.74, 122,542.53 and 51,070.50

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Solution

The fourth proportional to 88,798.74, 122,542.53 and 51,070.50 is: 70,477.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,798.74 : 122,542.53 = 51,070.50 : x
  2. Step 2: Convert to fraction form
    88,798.74/122,542.53 = 51,070.50/x
  3. Step 3: Cross multiply
    88,798.74x = 122,542.53 × 51,070.50
  4. Step 4: Simplify right side
    88,798.74x = 6,258,308,278.37
  5. Step 5: Solve for x
    x = 6,258,308,278.37/88,798.74
  6. Step 6: Final answer
    x = 70,477.44

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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.