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Finding the Fourth Proportional to 98,575.84, 136,034.69 and 53,253.80

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Solution

The fourth proportional to 98,575.84, 136,034.69 and 53,253.80 is: 73,490.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,575.84 : 136,034.69 = 53,253.80 : x
  2. Step 2: Convert to fraction form
    98,575.84/136,034.69 = 53,253.80/x
  3. Step 3: Cross multiply
    98,575.84x = 136,034.69 × 53,253.80
  4. Step 4: Simplify right side
    98,575.84x = 7,244,364,802.76
  5. Step 5: Solve for x
    x = 7,244,364,802.76/98,575.84
  6. Step 6: Final answer
    x = 73,490.27

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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.