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Finding the Fourth Proportional to 237,967.88, 328,400.04 and 130,543.40

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Solution

The fourth proportional to 237,967.88, 328,400.04 and 130,543.40 is: 180,152.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,967.88 : 328,400.04 = 130,543.40 : x
  2. Step 2: Convert to fraction form
    237,967.88/328,400.04 = 130,543.40/x
  3. Step 3: Cross multiply
    237,967.88x = 328,400.04 × 130,543.40
  4. Step 4: Simplify right side
    237,967.88x = 42,870,457,781.74
  5. Step 5: Solve for x
    x = 42,870,457,781.74/237,967.88
  6. Step 6: Final answer
    x = 180,152.29

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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.