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Finding the Fourth Proportional to 262,167.39, 361,775.56 and 145,877.76

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Solution

The fourth proportional to 262,167.39, 361,775.56 and 145,877.76 is: 201,302.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,167.39 : 361,775.56 = 145,877.76 : x
  2. Step 2: Convert to fraction form
    262,167.39/361,775.56 = 145,877.76/x
  3. Step 3: Cross multiply
    262,167.39x = 361,775.56 × 145,877.76
  4. Step 4: Simplify right side
    262,167.39x = 52,775,009,307.51
  5. Step 5: Solve for x
    x = 52,775,009,307.51/262,167.39
  6. Step 6: Final answer
    x = 201,302.72

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1.5x scale

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.