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Finding the Fourth Proportional to 106,530.54, 147,030.03 and 64,093.02

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Solution

The fourth proportional to 106,530.54, 147,030.03 and 64,093.02 is: 88,459.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,530.54 : 147,030.03 = 64,093.02 : x
  2. Step 2: Convert to fraction form
    106,530.54/147,030.03 = 64,093.02/x
  3. Step 3: Cross multiply
    106,530.54x = 147,030.03 × 64,093.02
  4. Step 4: Simplify right side
    106,530.54x = 9,423,598,653.39
  5. Step 5: Solve for x
    x = 9,423,598,653.39/106,530.54
  6. Step 6: Final answer
    x = 88,459.13

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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.