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Finding the Fourth Proportional to 114,160.80, 157,541.04 and 66,442.08

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Solution

The fourth proportional to 114,160.80, 157,541.04 and 66,442.08 is: 91,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,160.80 : 157,541.04 = 66,442.08 : x
  2. Step 2: Convert to fraction form
    114,160.80/157,541.04 = 66,442.08/x
  3. Step 3: Cross multiply
    114,160.80x = 157,541.04 × 66,442.08
  4. Step 4: Simplify right side
    114,160.80x = 10,467,354,382.96
  5. Step 5: Solve for x
    x = 10,467,354,382.96/114,160.80
  6. Step 6: Final answer
    x = 91,689.57

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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.