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Finding the Fourth Proportional to 98,949.99, 136,549.92 and 53,628.06

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Solution

The fourth proportional to 98,949.99, 136,549.92 and 53,628.06 is: 74,006.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,949.99 : 136,549.92 = 53,628.06 : x
  2. Step 2: Convert to fraction form
    98,949.99/136,549.92 = 53,628.06/x
  3. Step 3: Cross multiply
    98,949.99x = 136,549.92 × 53,628.06
  4. Step 4: Simplify right side
    98,949.99x = 7,322,907,302.76
  5. Step 5: Solve for x
    x = 7,322,907,302.76/98,949.99
  6. Step 6: Final answer
    x = 74,006.14

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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.