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Finding the Fourth Proportional to 170,364.66, 235,108.54 and 97,780.76

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Solution

The fourth proportional to 170,364.66, 235,108.54 and 97,780.76 is: 134,940.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,364.66 : 235,108.54 = 97,780.76 : x
  2. Step 2: Convert to fraction form
    170,364.66/235,108.54 = 97,780.76/x
  3. Step 3: Cross multiply
    170,364.66x = 235,108.54 × 97,780.76
  4. Step 4: Simplify right side
    170,364.66x = 22,989,091,723.69
  5. Step 5: Solve for x
    x = 22,989,091,723.69/170,364.66
  6. Step 6: Final answer
    x = 134,940.50

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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.