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Finding the Fourth Proportional to 101,237.58, 151,858.80 and 31,117.50

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Solution

The fourth proportional to 101,237.58, 151,858.80 and 31,117.50 is: 46,677.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,237.58 : 151,858.80 = 31,117.50 : x
  2. Step 2: Convert to fraction form
    101,237.58/151,858.80 = 31,117.50/x
  3. Step 3: Cross multiply
    101,237.58x = 151,858.80 × 31,117.50
  4. Step 4: Simplify right side
    101,237.58x = 4,725,466,209
  5. Step 5: Solve for x
    x = 4,725,466,209/101,237.58
  6. Step 6: Final answer
    x = 46,677.00

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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.