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Finding the Fourth Proportional to 130,270.81, 179,773.68 and 70,654.81

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Solution

The fourth proportional to 130,270.81, 179,773.68 and 70,654.81 is: 97,503.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,270.81 : 179,773.68 = 70,654.81 : x
  2. Step 2: Convert to fraction form
    130,270.81/179,773.68 = 70,654.81/x
  3. Step 3: Cross multiply
    130,270.81x = 179,773.68 × 70,654.81
  4. Step 4: Simplify right side
    130,270.81x = 12,701,875,203.40
  5. Step 5: Solve for x
    x = 12,701,875,203.40/130,270.81
  6. Step 6: Final answer
    x = 97,503.62

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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.