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Finding the Fourth Proportional to 103,973.76, 155,960.64 and 33,860.16

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Solution

The fourth proportional to 103,973.76, 155,960.64 and 33,860.16 is: 50,790.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,973.76 : 155,960.64 = 33,860.16 : x
  2. Step 2: Convert to fraction form
    103,973.76/155,960.64 = 33,860.16/x
  3. Step 3: Cross multiply
    103,973.76x = 155,960.64 × 33,860.16
  4. Step 4: Simplify right side
    103,973.76x = 5,280,852,224.10
  5. Step 5: Solve for x
    x = 5,280,852,224.10/103,973.76
  6. Step 6: Final answer
    x = 50,790.24

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1.5x scale

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.