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Finding the Fourth Proportional to 144,316.26, 216,531.84 and 55,545.93

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Solution

The fourth proportional to 144,316.26, 216,531.84 and 55,545.93 is: 83,341.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,316.26 : 216,531.84 = 55,545.93 : x
  2. Step 2: Convert to fraction form
    144,316.26/216,531.84 = 55,545.93/x
  3. Step 3: Cross multiply
    144,316.26x = 216,531.84 × 55,545.93
  4. Step 4: Simplify right side
    144,316.26x = 12,027,462,427.41
  5. Step 5: Solve for x
    x = 12,027,462,427.41/144,316.26
  6. Step 6: Final answer
    x = 83,341.01

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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.