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Finding the Fourth Proportional to 117,762.14, 162,554.03 and 70,015.38

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Solution

The fourth proportional to 117,762.14, 162,554.03 and 70,015.38 is: 96,646.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,762.14 : 162,554.03 = 70,015.38 : x
  2. Step 2: Convert to fraction form
    117,762.14/162,554.03 = 70,015.38/x
  3. Step 3: Cross multiply
    117,762.14x = 162,554.03 × 70,015.38
  4. Step 4: Simplify right side
    117,762.14x = 11,381,282,180.98
  5. Step 5: Solve for x
    x = 11,381,282,180.98/117,762.14
  6. Step 6: Final answer
    x = 96,646.36

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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.