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Finding the Fourth Proportional to 116,087.63, 160,202.65 and 67,688.26

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Solution

The fourth proportional to 116,087.63, 160,202.65 and 67,688.26 is: 93,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,087.63 : 160,202.65 = 67,688.26 : x
  2. Step 2: Convert to fraction form
    116,087.63/160,202.65 = 67,688.26/x
  3. Step 3: Cross multiply
    116,087.63x = 160,202.65 × 67,688.26
  4. Step 4: Simplify right side
    116,087.63x = 10,843,838,056.16
  5. Step 5: Solve for x
    x = 10,843,838,056.16/116,087.63
  6. Step 6: Final answer
    x = 93,410.80

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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.