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Finding the Fourth Proportional to 147,237.84, 203,191.56 and 83,569.68

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Solution

The fourth proportional to 147,237.84, 203,191.56 and 83,569.68 is: 115,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,237.84 : 203,191.56 = 83,569.68 : x
  2. Step 2: Convert to fraction form
    147,237.84/203,191.56 = 83,569.68/x
  3. Step 3: Cross multiply
    147,237.84x = 203,191.56 × 83,569.68
  4. Step 4: Simplify right side
    147,237.84x = 16,980,653,647.90
  5. Step 5: Solve for x
    x = 16,980,653,647.90/147,237.84
  6. Step 6: Final answer
    x = 115,328.05

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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.