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Finding the Fourth Proportional to 114,026.16, 157,357.08 and 63,728.40

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Solution

The fourth proportional to 114,026.16, 157,357.08 and 63,728.40 is: 87,945.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,026.16 : 157,357.08 = 63,728.40 : x
  2. Step 2: Convert to fraction form
    114,026.16/157,357.08 = 63,728.40/x
  3. Step 3: Cross multiply
    114,026.16x = 157,357.08 × 63,728.40
  4. Step 4: Simplify right side
    114,026.16x = 10,028,114,937.07
  5. Step 5: Solve for x
    x = 10,028,114,937.07/114,026.16
  6. Step 6: Final answer
    x = 87,945.74

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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.