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Finding the Fourth Proportional to 84,657.32, 116,832.32 and 46,931.56

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Solution

The fourth proportional to 84,657.32, 116,832.32 and 46,931.56 is: 64,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,657.32 : 116,832.32 = 46,931.56 : x
  2. Step 2: Convert to fraction form
    84,657.32/116,832.32 = 46,931.56/x
  3. Step 3: Cross multiply
    84,657.32x = 116,832.32 × 46,931.56
  4. Step 4: Simplify right side
    84,657.32x = 5,483,123,036.02
  5. Step 5: Solve for x
    x = 5,483,123,036.02/84,657.32
  6. Step 6: Final answer
    x = 64,768.45

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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.