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Finding the Fourth Proportional to 188,574.96, 282,985.50 and 70,340.88

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Solution

The fourth proportional to 188,574.96, 282,985.50 and 70,340.88 is: 105,557.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,574.96 : 282,985.50 = 70,340.88 : x
  2. Step 2: Convert to fraction form
    188,574.96/282,985.50 = 70,340.88/x
  3. Step 3: Cross multiply
    188,574.96x = 282,985.50 × 70,340.88
  4. Step 4: Simplify right side
    188,574.96x = 19,905,449,097.24
  5. Step 5: Solve for x
    x = 19,905,449,097.24/188,574.96
  6. Step 6: Final answer
    x = 105,557.22

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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.