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Finding the Fourth Proportional to 147,496.08, 221,243.85 and 36,688.08

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Solution

The fourth proportional to 147,496.08, 221,243.85 and 36,688.08 is: 55,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,496.08 : 221,243.85 = 36,688.08 : x
  2. Step 2: Convert to fraction form
    147,496.08/221,243.85 = 36,688.08/x
  3. Step 3: Cross multiply
    147,496.08x = 221,243.85 × 36,688.08
  4. Step 4: Simplify right side
    147,496.08x = 8,117,012,068.31
  5. Step 5: Solve for x
    x = 8,117,012,068.31/147,496.08
  6. Step 6: Final answer
    x = 55,032.05

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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.