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Finding the Fourth Proportional to 93,603.34, 129,195.83 and 53,340.98

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Solution

The fourth proportional to 93,603.34, 129,195.83 and 53,340.98 is: 73,623.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,603.34 : 129,195.83 = 53,340.98 : x
  2. Step 2: Convert to fraction form
    93,603.34/129,195.83 = 53,340.98/x
  3. Step 3: Cross multiply
    93,603.34x = 129,195.83 × 53,340.98
  4. Step 4: Simplify right side
    93,603.34x = 6,891,432,240.40
  5. Step 5: Solve for x
    x = 6,891,432,240.40/93,603.34
  6. Step 6: Final answer
    x = 73,623.79

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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.