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Finding the Fourth Proportional to 219,552.13, 302,981.88 and 118,950.13

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Solution

The fourth proportional to 219,552.13, 302,981.88 and 118,950.13 is: 164,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,552.13 : 302,981.88 = 118,950.13 : x
  2. Step 2: Convert to fraction form
    219,552.13/302,981.88 = 118,950.13/x
  3. Step 3: Cross multiply
    219,552.13x = 302,981.88 × 118,950.13
  4. Step 4: Simplify right side
    219,552.13x = 36,039,734,013.64
  5. Step 5: Solve for x
    x = 36,039,734,013.64/219,552.13
  6. Step 6: Final answer
    x = 164,151.15

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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.