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Finding the Fourth Proportional to 112,437.63, 168,573.08 and 68,054.00

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Solution

The fourth proportional to 112,437.63, 168,573.08 and 68,054.00 is: 102,030.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,437.63 : 168,573.08 = 68,054.00 : x
  2. Step 2: Convert to fraction form
    112,437.63/168,573.08 = 68,054.00/x
  3. Step 3: Cross multiply
    112,437.63x = 168,573.08 × 68,054.00
  4. Step 4: Simplify right side
    112,437.63x = 11,472,071,203.18
  5. Step 5: Solve for x
    x = 11,472,071,203.18/112,437.63
  6. Step 6: Final answer
    x = 102,030.53

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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.