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Finding the Fourth Proportional to 135,798.45, 186,737.18 and 117,862.22

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Solution

The fourth proportional to 135,798.45, 186,737.18 and 117,862.22 is: 162,072.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,798.45 : 186,737.18 = 117,862.22 : x
  2. Step 2: Convert to fraction form
    135,798.45/186,737.18 = 117,862.22/x
  3. Step 3: Cross multiply
    135,798.45x = 186,737.18 × 117,862.22
  4. Step 4: Simplify right side
    135,798.45x = 22,009,257,068.34
  5. Step 5: Solve for x
    x = 22,009,257,068.34/135,798.45
  6. Step 6: Final answer
    x = 162,072.96

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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.