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Finding the Fourth Proportional to 176,756.40, 265,135.16 and 43,636.67

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Solution

The fourth proportional to 176,756.40, 265,135.16 and 43,636.67 is: 65,455.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,756.40 : 265,135.16 = 43,636.67 : x
  2. Step 2: Convert to fraction form
    176,756.40/265,135.16 = 43,636.67/x
  3. Step 3: Cross multiply
    176,756.40x = 265,135.16 × 43,636.67
  4. Step 4: Simplify right side
    176,756.40x = 11,569,615,482.32
  5. Step 5: Solve for x
    x = 11,569,615,482.32/176,756.40
  6. Step 6: Final answer
    x = 65,455.14

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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.