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Finding the Fourth Proportional to 201,477.06, 278,043.03 and 110,838.06

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Solution

The fourth proportional to 201,477.06, 278,043.03 and 110,838.06 is: 152,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,477.06 : 278,043.03 = 110,838.06 : x
  2. Step 2: Convert to fraction form
    201,477.06/278,043.03 = 110,838.06/x
  3. Step 3: Cross multiply
    201,477.06x = 278,043.03 × 110,838.06
  4. Step 4: Simplify right side
    201,477.06x = 30,817,750,041.72
  5. Step 5: Solve for x
    x = 30,817,750,041.72/201,477.06
  6. Step 6: Final answer
    x = 152,959.10

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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.