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Finding the Fourth Proportional to 104,316.55, 143,946.25 and 64,032.01

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Solution

The fourth proportional to 104,316.55, 143,946.25 and 64,032.01 is: 88,357.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,316.55 : 143,946.25 = 64,032.01 : x
  2. Step 2: Convert to fraction form
    104,316.55/143,946.25 = 64,032.01/x
  3. Step 3: Cross multiply
    104,316.55x = 143,946.25 × 64,032.01
  4. Step 4: Simplify right side
    104,316.55x = 9,217,167,719.46
  5. Step 5: Solve for x
    x = 9,217,167,719.46/104,316.55
  6. Step 6: Final answer
    x = 88,357.67

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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.