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Finding the Fourth Proportional to 150,554.24, 207,762.24 and 83,486.72

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Solution

The fourth proportional to 150,554.24, 207,762.24 and 83,486.72 is: 115,210.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,554.24 : 207,762.24 = 83,486.72 : x
  2. Step 2: Convert to fraction form
    150,554.24/207,762.24 = 83,486.72/x
  3. Step 3: Cross multiply
    150,554.24x = 207,762.24 × 83,486.72
  4. Step 4: Simplify right side
    150,554.24x = 17,345,387,957.45
  5. Step 5: Solve for x
    x = 17,345,387,957.45/150,554.24
  6. Step 6: Final answer
    x = 115,210.23

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1.5x scale

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.