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Finding the Fourth Proportional to 235,316.56, 353,018.58 and 77,556.12

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Solution

The fourth proportional to 235,316.56, 353,018.58 and 77,556.12 is: 116,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,316.56 : 353,018.58 = 77,556.12 : x
  2. Step 2: Convert to fraction form
    235,316.56/353,018.58 = 77,556.12/x
  3. Step 3: Cross multiply
    235,316.56x = 353,018.58 × 77,556.12
  4. Step 4: Simplify right side
    235,316.56x = 27,378,751,352.71
  5. Step 5: Solve for x
    x = 27,378,751,352.71/235,316.56
  6. Step 6: Final answer
    x = 116,348.60

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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.