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Finding the Fourth Proportional to 85,133.16, 117,482.64 and 46,891.98

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Solution

The fourth proportional to 85,133.16, 117,482.64 and 46,891.98 is: 64,710.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,133.16 : 117,482.64 = 46,891.98 : x
  2. Step 2: Convert to fraction form
    85,133.16/117,482.64 = 46,891.98/x
  3. Step 3: Cross multiply
    85,133.16x = 117,482.64 × 46,891.98
  4. Step 4: Simplify right side
    85,133.16x = 5,508,993,605.23
  5. Step 5: Solve for x
    x = 5,508,993,605.23/85,133.16
  6. Step 6: Final answer
    x = 64,710.32

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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.