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Finding the Fourth Proportional to 235,075.92, 353,091.36 and 207,618

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Solution

The fourth proportional to 235,075.92, 353,091.36 and 207,618 is: 311,848.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,075.92 : 353,091.36 = 207,618 : x
  2. Step 2: Convert to fraction form
    235,075.92/353,091.36 = 207,618/x
  3. Step 3: Cross multiply
    235,075.92x = 353,091.36 × 207,618
  4. Step 4: Simplify right side
    235,075.92x = 73,308,121,980.48
  5. Step 5: Solve for x
    x = 73,308,121,980.48/235,075.92
  6. Step 6: Final answer
    x = 311,848.71

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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.