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Finding the Fourth Proportional to 89,130.98, 133,700.58 and 36,503.58

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Solution

The fourth proportional to 89,130.98, 133,700.58 and 36,503.58 is: 54,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,130.98 : 133,700.58 = 36,503.58 : x
  2. Step 2: Convert to fraction form
    89,130.98/133,700.58 = 36,503.58/x
  3. Step 3: Cross multiply
    89,130.98x = 133,700.58 × 36,503.58
  4. Step 4: Simplify right side
    89,130.98x = 4,880,549,818.08
  5. Step 5: Solve for x
    x = 4,880,549,818.08/89,130.98
  6. Step 6: Final answer
    x = 54,757.05

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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.