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Finding the Fourth Proportional to 176,140.48, 264,259.68 and 70,934.80

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Solution

The fourth proportional to 176,140.48, 264,259.68 and 70,934.80 is: 106,421.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,140.48 : 264,259.68 = 70,934.80 : x
  2. Step 2: Convert to fraction form
    176,140.48/264,259.68 = 70,934.80/x
  3. Step 3: Cross multiply
    176,140.48x = 264,259.68 × 70,934.80
  4. Step 4: Simplify right side
    176,140.48x = 18,745,207,548.86
  5. Step 5: Solve for x
    x = 18,745,207,548.86/176,140.48
  6. Step 6: Final answer
    x = 106,421.92

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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.