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Finding the Fourth Proportional to 207,293.84, 310,442.48 and 118,277.48

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Solution

The fourth proportional to 207,293.84, 310,442.48 and 118,277.48 is: 177,131.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,293.84 : 310,442.48 = 118,277.48 : x
  2. Step 2: Convert to fraction form
    207,293.84/310,442.48 = 118,277.48/x
  3. Step 3: Cross multiply
    207,293.84x = 310,442.48 × 118,277.48
  4. Step 4: Simplify right side
    207,293.84x = 36,718,352,075.75
  5. Step 5: Solve for x
    x = 36,718,352,075.75/207,293.84
  6. Step 6: Final answer
    x = 177,131.91

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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.