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Finding the Fourth Proportional to 147,703.88, 221,584.98 and 54,210.44

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Solution

The fourth proportional to 147,703.88, 221,584.98 and 54,210.44 is: 81,326.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,703.88 : 221,584.98 = 54,210.44 : x
  2. Step 2: Convert to fraction form
    147,703.88/221,584.98 = 54,210.44/x
  3. Step 3: Cross multiply
    147,703.88x = 221,584.98 × 54,210.44
  4. Step 4: Simplify right side
    147,703.88x = 12,012,219,263.19
  5. Step 5: Solve for x
    x = 12,012,219,263.19/147,703.88
  6. Step 6: Final answer
    x = 81,326.36

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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.