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Finding the Fourth Proportional to 90,804.88, 136,235.16 and 46,463.16

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Solution

The fourth proportional to 90,804.88, 136,235.16 and 46,463.16 is: 69,708.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,804.88 : 136,235.16 = 46,463.16 : x
  2. Step 2: Convert to fraction form
    90,804.88/136,235.16 = 46,463.16/x
  3. Step 3: Cross multiply
    90,804.88x = 136,235.16 × 46,463.16
  4. Step 4: Simplify right side
    90,804.88x = 6,329,916,036.71
  5. Step 5: Solve for x
    x = 6,329,916,036.71/90,804.88
  6. Step 6: Final answer
    x = 69,708.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.