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Finding the Fourth Proportional to 459,159.53, 688,737.04 and 117,602.30

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Solution

The fourth proportional to 459,159.53, 688,737.04 and 117,602.30 is: 176,402.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,159.53 : 688,737.04 = 117,602.30 : x
  2. Step 2: Convert to fraction form
    459,159.53/688,737.04 = 117,602.30/x
  3. Step 3: Cross multiply
    459,159.53x = 688,737.04 × 117,602.30
  4. Step 4: Simplify right side
    459,159.53x = 80,997,056,261.50
  5. Step 5: Solve for x
    x = 80,997,056,261.50/459,159.53
  6. Step 6: Final answer
    x = 176,402.87

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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.