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Finding the Fourth Proportional to 242,362.92, 334,345.95 and 170,782.32

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Solution

The fourth proportional to 242,362.92, 334,345.95 and 170,782.32 is: 235,598.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,362.92 : 334,345.95 = 170,782.32 : x
  2. Step 2: Convert to fraction form
    242,362.92/334,345.95 = 170,782.32/x
  3. Step 3: Cross multiply
    242,362.92x = 334,345.95 × 170,782.32
  4. Step 4: Simplify right side
    242,362.92x = 57,100,377,023.60
  5. Step 5: Solve for x
    x = 57,100,377,023.60/242,362.92
  6. Step 6: Final answer
    x = 235,598.65

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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.