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Finding the Fourth Proportional to 86,602.50, 119,511.45 and 46,858.50

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Solution

The fourth proportional to 86,602.50, 119,511.45 and 46,858.50 is: 64,664.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,602.50 : 119,511.45 = 46,858.50 : x
  2. Step 2: Convert to fraction form
    86,602.50/119,511.45 = 46,858.50/x
  3. Step 3: Cross multiply
    86,602.50x = 119,511.45 × 46,858.50
  4. Step 4: Simplify right side
    86,602.50x = 5,600,127,279.83
  5. Step 5: Solve for x
    x = 5,600,127,279.83/86,602.50
  6. Step 6: Final answer
    x = 64,664.73

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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.