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Finding the Fourth Proportional to 93,797.96, 129,442.82 and 57,987.08

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Solution

The fourth proportional to 93,797.96, 129,442.82 and 57,987.08 is: 80,023.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,797.96 : 129,442.82 = 57,987.08 : x
  2. Step 2: Convert to fraction form
    93,797.96/129,442.82 = 57,987.08/x
  3. Step 3: Cross multiply
    93,797.96x = 129,442.82 × 57,987.08
  4. Step 4: Simplify right side
    93,797.96x = 7,506,011,158.77
  5. Step 5: Solve for x
    x = 7,506,011,158.77/93,797.96
  6. Step 6: Final answer
    x = 80,023.18

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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.