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Finding the Fourth Proportional to 101,860.30, 152,798.62 and 38,710.68

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Solution

The fourth proportional to 101,860.30, 152,798.62 and 38,710.68 is: 58,069.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,860.30 : 152,798.62 = 38,710.68 : x
  2. Step 2: Convert to fraction form
    101,860.30/152,798.62 = 38,710.68/x
  3. Step 3: Cross multiply
    101,860.30x = 152,798.62 × 38,710.68
  4. Step 4: Simplify right side
    101,860.30x = 5,914,937,886.07
  5. Step 5: Solve for x
    x = 5,914,937,886.07/101,860.30
  6. Step 6: Final answer
    x = 58,069.12

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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.