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Finding the Fourth Proportional to 152,567.79, 210,556.02 and 84,606.08

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Solution

The fourth proportional to 152,567.79, 210,556.02 and 84,606.08 is: 116,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,567.79 : 210,556.02 = 84,606.08 : x
  2. Step 2: Convert to fraction form
    152,567.79/210,556.02 = 84,606.08/x
  3. Step 3: Cross multiply
    152,567.79x = 210,556.02 × 84,606.08
  4. Step 4: Simplify right side
    152,567.79x = 17,814,318,419.82
  5. Step 5: Solve for x
    x = 17,814,318,419.82/152,567.79
  6. Step 6: Final answer
    x = 116,763.30

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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.