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Finding the Fourth Proportional to 260,564.48, 359,578.88 and 141,332.48

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Solution

The fourth proportional to 260,564.48, 359,578.88 and 141,332.48 is: 195,038.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,564.48 : 359,578.88 = 141,332.48 : x
  2. Step 2: Convert to fraction form
    260,564.48/359,578.88 = 141,332.48/x
  3. Step 3: Cross multiply
    260,564.48x = 359,578.88 × 141,332.48
  4. Step 4: Simplify right side
    260,564.48x = 50,820,174,866.02
  5. Step 5: Solve for x
    x = 50,820,174,866.02/260,564.48
  6. Step 6: Final answer
    x = 195,038.77

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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.