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Finding the Fourth Proportional to 93,599.42, 129,162.74 and 51,157.98

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Solution

The fourth proportional to 93,599.42, 129,162.74 and 51,157.98 is: 70,595.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,599.42 : 129,162.74 = 51,157.98 : x
  2. Step 2: Convert to fraction form
    93,599.42/129,162.74 = 51,157.98/x
  3. Step 3: Cross multiply
    93,599.42x = 129,162.74 × 51,157.98
  4. Step 4: Simplify right side
    93,599.42x = 6,607,704,613.88
  5. Step 5: Solve for x
    x = 6,607,704,613.88/93,599.42
  6. Step 6: Final answer
    x = 70,595.58

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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.