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Finding the Fourth Proportional to 147,276.63, 220,914.87 and 42,095.64

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Solution

The fourth proportional to 147,276.63, 220,914.87 and 42,095.64 is: 63,143.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,276.63 : 220,914.87 = 42,095.64 : x
  2. Step 2: Convert to fraction form
    147,276.63/220,914.87 = 42,095.64/x
  3. Step 3: Cross multiply
    147,276.63x = 220,914.87 × 42,095.64
  4. Step 4: Simplify right side
    147,276.63x = 9,299,552,838.17
  5. Step 5: Solve for x
    x = 9,299,552,838.17/147,276.63
  6. Step 6: Final answer
    x = 63,143.44

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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.