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Finding the Fourth Proportional to 70,368.17, 97,107.93 and 38,536.99

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Solution

The fourth proportional to 70,368.17, 97,107.93 and 38,536.99 is: 53,180.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,368.17 : 97,107.93 = 38,536.99 : x
  2. Step 2: Convert to fraction form
    70,368.17/97,107.93 = 38,536.99/x
  3. Step 3: Cross multiply
    70,368.17x = 97,107.93 × 38,536.99
  4. Step 4: Simplify right side
    70,368.17x = 3,742,247,084.56
  5. Step 5: Solve for x
    x = 3,742,247,084.56/70,368.17
  6. Step 6: Final answer
    x = 53,180.97

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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.