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Finding the Fourth Proportional to 98,992.04, 136,608.59 and 53,669.89

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Solution

The fourth proportional to 98,992.04, 136,608.59 and 53,669.89 is: 74,064.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,992.04 : 136,608.59 = 53,669.89 : x
  2. Step 2: Convert to fraction form
    98,992.04/136,608.59 = 53,669.89/x
  3. Step 3: Cross multiply
    98,992.04x = 136,608.59 × 53,669.89
  4. Step 4: Simplify right side
    98,992.04x = 7,331,767,181.14
  5. Step 5: Solve for x
    x = 7,331,767,181.14/98,992.04
  6. Step 6: Final answer
    x = 74,064.21

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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.