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Finding the Fourth Proportional to 93,955.80, 129,665 and 62,068.80

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Solution

The fourth proportional to 93,955.80, 129,665 and 62,068.80 is: 85,658.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,955.80 : 129,665 = 62,068.80 : x
  2. Step 2: Convert to fraction form
    93,955.80/129,665 = 62,068.80/x
  3. Step 3: Cross multiply
    93,955.80x = 129,665 × 62,068.80
  4. Step 4: Simplify right side
    93,955.80x = 8,048,150,952
  5. Step 5: Solve for x
    x = 8,048,150,952/93,955.80
  6. Step 6: Final answer
    x = 85,658.91

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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.