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Finding the Fourth Proportional to 98,585.58, 136,048.15 and 53,263.54

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Solution

The fourth proportional to 98,585.58, 136,048.15 and 53,263.54 is: 73,503.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,585.58 : 136,048.15 = 53,263.54 : x
  2. Step 2: Convert to fraction form
    98,585.58/136,048.15 = 53,263.54/x
  3. Step 3: Cross multiply
    98,585.58x = 136,048.15 × 53,263.54
  4. Step 4: Simplify right side
    98,585.58x = 7,246,406,079.45
  5. Step 5: Solve for x
    x = 7,246,406,079.45/98,585.58
  6. Step 6: Final answer
    x = 73,503.71

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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.