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Finding the Fourth Proportional to 162,065.50, 223,662.76 and 89,482.39

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Solution

The fourth proportional to 162,065.50, 223,662.76 and 89,482.39 is: 123,492.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,065.50 : 223,662.76 = 89,482.39 : x
  2. Step 2: Convert to fraction form
    162,065.50/223,662.76 = 89,482.39/x
  3. Step 3: Cross multiply
    162,065.50x = 223,662.76 × 89,482.39
  4. Step 4: Simplify right side
    162,065.50x = 20,013,877,535.93
  5. Step 5: Solve for x
    x = 20,013,877,535.93/162,065.50
  6. Step 6: Final answer
    x = 123,492.53

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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.