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Finding the Fourth Proportional to 102,395.80, 153,593.70 and 101,083.60

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Solution

The fourth proportional to 102,395.80, 153,593.70 and 101,083.60 is: 151,625.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,395.80 : 153,593.70 = 101,083.60 : x
  2. Step 2: Convert to fraction form
    102,395.80/153,593.70 = 101,083.60/x
  3. Step 3: Cross multiply
    102,395.80x = 153,593.70 × 101,083.60
  4. Step 4: Simplify right side
    102,395.80x = 15,525,804,133.32
  5. Step 5: Solve for x
    x = 15,525,804,133.32/102,395.80
  6. Step 6: Final answer
    x = 151,625.40

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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.