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Finding the Fourth Proportional to 177,880.59, 245,479.80 and 97,311.51

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Solution

The fourth proportional to 177,880.59, 245,479.80 and 97,311.51 is: 134,292.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,880.59 : 245,479.80 = 97,311.51 : x
  2. Step 2: Convert to fraction form
    177,880.59/245,479.80 = 97,311.51/x
  3. Step 3: Cross multiply
    177,880.59x = 245,479.80 × 97,311.51
  4. Step 4: Simplify right side
    177,880.59x = 23,888,010,012.50
  5. Step 5: Solve for x
    x = 23,888,010,012.50/177,880.59
  6. Step 6: Final answer
    x = 134,292.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.