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Finding the Fourth Proportional to 106,465.04, 146,928.48 and 58,718.48

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Solution

The fourth proportional to 106,465.04, 146,928.48 and 58,718.48 is: 81,035.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,465.04 : 146,928.48 = 58,718.48 : x
  2. Step 2: Convert to fraction form
    106,465.04/146,928.48 = 58,718.48/x
  3. Step 3: Cross multiply
    106,465.04x = 146,928.48 × 58,718.48
  4. Step 4: Simplify right side
    106,465.04x = 8,627,417,014.31
  5. Step 5: Solve for x
    x = 8,627,417,014.31/106,465.04
  6. Step 6: Final answer
    x = 81,035.21

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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.