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Finding the Fourth Proportional to 86,417.50, 119,256.16 and 46,673.50

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Solution

The fourth proportional to 86,417.50, 119,256.16 and 46,673.50 is: 64,409.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,417.50 : 119,256.16 = 46,673.50 : x
  2. Step 2: Convert to fraction form
    86,417.50/119,256.16 = 46,673.50/x
  3. Step 3: Cross multiply
    86,417.50x = 119,256.16 × 46,673.50
  4. Step 4: Simplify right side
    86,417.50x = 5,566,102,383.76
  5. Step 5: Solve for x
    x = 5,566,102,383.76/86,417.50
  6. Step 6: Final answer
    x = 64,409.44

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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.