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Finding the Fourth Proportional to 357,773.46, 536,528.96 and 104,989.06

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Solution

The fourth proportional to 357,773.46, 536,528.96 and 104,989.06 is: 157,445.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,773.46 : 536,528.96 = 104,989.06 : x
  2. Step 2: Convert to fraction form
    357,773.46/536,528.96 = 104,989.06/x
  3. Step 3: Cross multiply
    357,773.46x = 536,528.96 × 104,989.06
  4. Step 4: Simplify right side
    357,773.46x = 56,329,671,173.18
  5. Step 5: Solve for x
    x = 56,329,671,173.18/357,773.46
  6. Step 6: Final answer
    x = 157,445.08

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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.