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Finding the Fourth Proportional to 76,235.63, 105,205.17 and 46,427.63

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Solution

The fourth proportional to 76,235.63, 105,205.17 and 46,427.63 is: 64,070.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,235.63 : 105,205.17 = 46,427.63 : x
  2. Step 2: Convert to fraction form
    76,235.63/105,205.17 = 46,427.63/x
  3. Step 3: Cross multiply
    76,235.63x = 105,205.17 × 46,427.63
  4. Step 4: Simplify right side
    76,235.63x = 4,884,426,180.82
  5. Step 5: Solve for x
    x = 4,884,426,180.82/76,235.63
  6. Step 6: Final answer
    x = 64,070.13

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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.