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Finding the Fourth Proportional to 188,437.60, 282,656.56 and 70,093.60

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Solution

The fourth proportional to 188,437.60, 282,656.56 and 70,093.60 is: 105,140.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,437.60 : 282,656.56 = 70,093.60 : x
  2. Step 2: Convert to fraction form
    188,437.60/282,656.56 = 70,093.60/x
  3. Step 3: Cross multiply
    188,437.60x = 282,656.56 × 70,093.60
  4. Step 4: Simplify right side
    188,437.60x = 19,812,415,854.02
  5. Step 5: Solve for x
    x = 19,812,415,854.02/188,437.60
  6. Step 6: Final answer
    x = 105,140.46

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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.