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Finding the Fourth Proportional to 84,901.10, 119,036.50 and 84,901.10

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Solution

The fourth proportional to 84,901.10, 119,036.50 and 84,901.10 is: 119,036.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,901.10 : 119,036.50 = 84,901.10 : x
  2. Step 2: Convert to fraction form
    84,901.10/119,036.50 = 84,901.10/x
  3. Step 3: Cross multiply
    84,901.10x = 119,036.50 × 84,901.10
  4. Step 4: Simplify right side
    84,901.10x = 10,106,329,790.15
  5. Step 5: Solve for x
    x = 10,106,329,790.15/84,901.10
  6. Step 6: Final answer
    x = 119,036.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.