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Finding the Fourth Proportional to 86,432.63, 119,277.03 and 46,688.63

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Solution

The fourth proportional to 86,432.63, 119,277.03 and 46,688.63 is: 64,430.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,432.63 : 119,277.03 = 46,688.63 : x
  2. Step 2: Convert to fraction form
    86,432.63/119,277.03 = 46,688.63/x
  3. Step 3: Cross multiply
    86,432.63x = 119,277.03 × 46,688.63
  4. Step 4: Simplify right side
    86,432.63x = 5,568,881,121.17
  5. Step 5: Solve for x
    x = 5,568,881,121.17/86,432.63
  6. Step 6: Final answer
    x = 64,430.31

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1.5x scale

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.