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Finding the Fourth Proportional to 116,364.60, 160,659.18 and 89,457.48

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Solution

The fourth proportional to 116,364.60, 160,659.18 and 89,457.48 is: 123,509.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,364.60 : 160,659.18 = 89,457.48 : x
  2. Step 2: Convert to fraction form
    116,364.60/160,659.18 = 89,457.48/x
  3. Step 3: Cross multiply
    116,364.60x = 160,659.18 × 89,457.48
  4. Step 4: Simplify right side
    116,364.60x = 14,372,165,381.67
  5. Step 5: Solve for x
    x = 14,372,165,381.67/116,364.60
  6. Step 6: Final answer
    x = 123,509.77

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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.