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Finding the Fourth Proportional to 176,111.80, 264,281.10 and 97,282.60

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Solution

The fourth proportional to 176,111.80, 264,281.10 and 97,282.60 is: 145,986.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,111.80 : 264,281.10 = 97,282.60 : x
  2. Step 2: Convert to fraction form
    176,111.80/264,281.10 = 97,282.60/x
  3. Step 3: Cross multiply
    176,111.80x = 264,281.10 × 97,282.60
  4. Step 4: Simplify right side
    176,111.80x = 25,709,952,538.86
  5. Step 5: Solve for x
    x = 25,709,952,538.86/176,111.80
  6. Step 6: Final answer
    x = 145,986.54

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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.