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Finding the Fourth Proportional to 118,548.44, 163,607.75 and 70,800.76

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Solution

The fourth proportional to 118,548.44, 163,607.75 and 70,800.76 is: 97,711.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,548.44 : 163,607.75 = 70,800.76 : x
  2. Step 2: Convert to fraction form
    118,548.44/163,607.75 = 70,800.76/x
  3. Step 3: Cross multiply
    118,548.44x = 163,607.75 × 70,800.76
  4. Step 4: Simplify right side
    118,548.44x = 11,583,553,041.89
  5. Step 5: Solve for x
    x = 11,583,553,041.89/118,548.44
  6. Step 6: Final answer
    x = 97,711.56

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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.