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Finding the Fourth Proportional to 134,497.60, 201,746.40 and 99,505.60

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Solution

The fourth proportional to 134,497.60, 201,746.40 and 99,505.60 is: 149,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,497.60 : 201,746.40 = 99,505.60 : x
  2. Step 2: Convert to fraction form
    134,497.60/201,746.40 = 99,505.60/x
  3. Step 3: Cross multiply
    134,497.60x = 201,746.40 × 99,505.60
  4. Step 4: Simplify right side
    134,497.60x = 20,074,896,579.84
  5. Step 5: Solve for x
    x = 20,074,896,579.84/134,497.60
  6. Step 6: Final answer
    x = 149,258.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.