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Finding the Fourth Proportional to 106,752.56, 147,220.60 and 64,237.28

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Solution

The fourth proportional to 106,752.56, 147,220.60 and 64,237.28 is: 88,588.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,752.56 : 147,220.60 = 64,237.28 : x
  2. Step 2: Convert to fraction form
    106,752.56/147,220.60 = 64,237.28/x
  3. Step 3: Cross multiply
    106,752.56x = 147,220.60 × 64,237.28
  4. Step 4: Simplify right side
    106,752.56x = 9,457,050,903.97
  5. Step 5: Solve for x
    x = 9,457,050,903.97/106,752.56
  6. Step 6: Final answer
    x = 88,588.52

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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.