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Finding the Fourth Proportional to 158,798.07, 219,151.98 and 104,990.58

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Solution

The fourth proportional to 158,798.07, 219,151.98 and 104,990.58 is: 144,894.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,798.07 : 219,151.98 = 104,990.58 : x
  2. Step 2: Convert to fraction form
    158,798.07/219,151.98 = 104,990.58/x
  3. Step 3: Cross multiply
    158,798.07x = 219,151.98 × 104,990.58
  4. Step 4: Simplify right side
    158,798.07x = 23,008,893,488.35
  5. Step 5: Solve for x
    x = 23,008,893,488.35/158,798.07
  6. Step 6: Final answer
    x = 144,894.04

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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.