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Finding the Fourth Proportional to 104,637.78, 155,970.95 and 96,239.70

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Solution

The fourth proportional to 104,637.78, 155,970.95 and 96,239.70 is: 143,452.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,637.78 : 155,970.95 = 96,239.70 : x
  2. Step 2: Convert to fraction form
    104,637.78/155,970.95 = 96,239.70/x
  3. Step 3: Cross multiply
    104,637.78x = 155,970.95 × 96,239.70
  4. Step 4: Simplify right side
    104,637.78x = 15,010,596,955.52
  5. Step 5: Solve for x
    x = 15,010,596,955.52/104,637.78
  6. Step 6: Final answer
    x = 143,452.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.