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Finding the Fourth Proportional to 93,980.52, 129,692.52 and 53,706.60

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Solution

The fourth proportional to 93,980.52, 129,692.52 and 53,706.60 is: 74,114.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,980.52 : 129,692.52 = 53,706.60 : x
  2. Step 2: Convert to fraction form
    93,980.52/129,692.52 = 53,706.60/x
  3. Step 3: Cross multiply
    93,980.52x = 129,692.52 × 53,706.60
  4. Step 4: Simplify right side
    93,980.52x = 6,965,344,294.63
  5. Step 5: Solve for x
    x = 6,965,344,294.63/93,980.52
  6. Step 6: Final answer
    x = 74,114.77

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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.