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Finding the Fourth Proportional to 94,256, 130,007.88 and 64,024.40

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Solution

The fourth proportional to 94,256, 130,007.88 and 64,024.40 is: 88,309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,256 : 130,007.88 = 64,024.40 : x
  2. Step 2: Convert to fraction form
    94,256/130,007.88 = 64,024.40/x
  3. Step 3: Cross multiply
    94,256x = 130,007.88 × 64,024.40
  4. Step 4: Simplify right side
    94,256x = 8,323,676,512.27
  5. Step 5: Solve for x
    x = 8,323,676,512.27/94,256
  6. Step 6: Final answer
    x = 88,309.25

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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.