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Finding the Fourth Proportional to 98,235.81, 147,270.42 and 35,036.91

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Solution

The fourth proportional to 98,235.81, 147,270.42 and 35,036.91 is: 52,525.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,235.81 : 147,270.42 = 35,036.91 : x
  2. Step 2: Convert to fraction form
    98,235.81/147,270.42 = 35,036.91/x
  3. Step 3: Cross multiply
    98,235.81x = 147,270.42 × 35,036.91
  4. Step 4: Simplify right side
    98,235.81x = 5,159,900,451.20
  5. Step 5: Solve for x
    x = 5,159,900,451.20/98,235.81
  6. Step 6: Final answer
    x = 52,525.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.