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Finding the Fourth Proportional to 113,510.63, 156,649.53 and 63,209.63

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Solution

The fourth proportional to 113,510.63, 156,649.53 and 63,209.63 is: 87,232.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,510.63 : 156,649.53 = 63,209.63 : x
  2. Step 2: Convert to fraction form
    113,510.63/156,649.53 = 63,209.63/x
  3. Step 3: Cross multiply
    113,510.63x = 156,649.53 × 63,209.63
  4. Step 4: Simplify right side
    113,510.63x = 9,901,758,830.97
  5. Step 5: Solve for x
    x = 9,901,758,830.97/113,510.63
  6. Step 6: Final answer
    x = 87,232.00

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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.