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Finding the Fourth Proportional to 242,903.34, 364,365.95 and 74,411.42

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Solution

The fourth proportional to 242,903.34, 364,365.95 and 74,411.42 is: 111,620.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,903.34 : 364,365.95 = 74,411.42 : x
  2. Step 2: Convert to fraction form
    242,903.34/364,365.95 = 74,411.42/x
  3. Step 3: Cross multiply
    242,903.34x = 364,365.95 × 74,411.42
  4. Step 4: Simplify right side
    242,903.34x = 27,112,985,545.26
  5. Step 5: Solve for x
    x = 27,112,985,545.26/242,903.34
  6. Step 6: Final answer
    x = 111,620.47

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1.5x scale

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.