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Finding the Fourth Proportional to 89,030.80, 133,837.80 and 62,916.40

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Solution

The fourth proportional to 89,030.80, 133,837.80 and 62,916.40 is: 94,580.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,030.80 : 133,837.80 = 62,916.40 : x
  2. Step 2: Convert to fraction form
    89,030.80/133,837.80 = 62,916.40/x
  3. Step 3: Cross multiply
    89,030.80x = 133,837.80 × 62,916.40
  4. Step 4: Simplify right side
    89,030.80x = 8,420,592,559.92
  5. Step 5: Solve for x
    x = 8,420,592,559.92/89,030.80
  6. Step 6: Final answer
    x = 94,580.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.