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Finding the Fourth Proportional to 166,643.68, 249,887.76 and 96,543.04

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Solution

The fourth proportional to 166,643.68, 249,887.76 and 96,543.04 is: 144,769.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,643.68 : 249,887.76 = 96,543.04 : x
  2. Step 2: Convert to fraction form
    166,643.68/249,887.76 = 96,543.04/x
  3. Step 3: Cross multiply
    166,643.68x = 249,887.76 × 96,543.04
  4. Step 4: Simplify right side
    166,643.68x = 24,124,924,009.19
  5. Step 5: Solve for x
    x = 24,124,924,009.19/166,643.68
  6. Step 6: Final answer
    x = 144,769.51

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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.