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Finding the Fourth Proportional to 113,950.35, 170,925.53 and 100,828.35

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Solution

The fourth proportional to 113,950.35, 170,925.53 and 100,828.35 is: 151,242.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,950.35 : 170,925.53 = 100,828.35 : x
  2. Step 2: Convert to fraction form
    113,950.35/170,925.53 = 100,828.35/x
  3. Step 3: Cross multiply
    113,950.35x = 170,925.53 × 100,828.35
  4. Step 4: Simplify right side
    113,950.35x = 17,234,138,658.63
  5. Step 5: Solve for x
    x = 17,234,138,658.63/113,950.35
  6. Step 6: Final answer
    x = 151,242.53

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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.