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Finding the Fourth Proportional to 147,843.60, 221,643.90 and 63,668.40

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Solution

The fourth proportional to 147,843.60, 221,643.90 and 63,668.40 is: 95,450.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,843.60 : 221,643.90 = 63,668.40 : x
  2. Step 2: Convert to fraction form
    147,843.60/221,643.90 = 63,668.40/x
  3. Step 3: Cross multiply
    147,843.60x = 221,643.90 × 63,668.40
  4. Step 4: Simplify right side
    147,843.60x = 14,111,712,482.76
  5. Step 5: Solve for x
    x = 14,111,712,482.76/147,843.60
  6. Step 6: Final answer
    x = 95,450.28

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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.