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Finding the Fourth Proportional to 357,562.32, 536,342.94 and 91,322.76

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Solution

The fourth proportional to 357,562.32, 536,342.94 and 91,322.76 is: 136,984.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,562.32 : 536,342.94 = 91,322.76 : x
  2. Step 2: Convert to fraction form
    357,562.32/536,342.94 = 91,322.76/x
  3. Step 3: Cross multiply
    357,562.32x = 536,342.94 × 91,322.76
  4. Step 4: Simplify right side
    357,562.32x = 48,980,317,587.31
  5. Step 5: Solve for x
    x = 48,980,317,587.31/357,562.32
  6. Step 6: Final answer
    x = 136,984.00

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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.