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Finding the Fourth Proportional to 176,352.48, 243,328.56 and 104,756.64

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Solution

The fourth proportional to 176,352.48, 243,328.56 and 104,756.64 is: 144,541.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,352.48 : 243,328.56 = 104,756.64 : x
  2. Step 2: Convert to fraction form
    176,352.48/243,328.56 = 104,756.64/x
  3. Step 3: Cross multiply
    176,352.48x = 243,328.56 × 104,756.64
  4. Step 4: Simplify right side
    176,352.48x = 25,490,282,361.64
  5. Step 5: Solve for x
    x = 25,490,282,361.64/176,352.48
  6. Step 6: Final answer
    x = 144,541.67

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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.