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Finding the Fourth Proportional to 88,038.40, 132,057.60 and 83,737.60

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Solution

The fourth proportional to 88,038.40, 132,057.60 and 83,737.60 is: 125,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,038.40 : 132,057.60 = 83,737.60 : x
  2. Step 2: Convert to fraction form
    88,038.40/132,057.60 = 83,737.60/x
  3. Step 3: Cross multiply
    88,038.40x = 132,057.60 × 83,737.60
  4. Step 4: Simplify right side
    88,038.40x = 11,058,186,485.76
  5. Step 5: Solve for x
    x = 11,058,186,485.76/88,038.40
  6. Step 6: Final answer
    x = 125,606.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.