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Finding the Fourth Proportional to 98,676.04, 136,007.10 and 74,795.08

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Solution

The fourth proportional to 98,676.04, 136,007.10 and 74,795.08 is: 103,091.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,676.04 : 136,007.10 = 74,795.08 : x
  2. Step 2: Convert to fraction form
    98,676.04/136,007.10 = 74,795.08/x
  3. Step 3: Cross multiply
    98,676.04x = 136,007.10 × 74,795.08
  4. Step 4: Simplify right side
    98,676.04x = 10,172,661,925.07
  5. Step 5: Solve for x
    x = 10,172,661,925.07/98,676.04
  6. Step 6: Final answer
    x = 103,091.51

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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.