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Finding the Fourth Proportional to 140,483.76, 210,754.44 and 46,990.32

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Solution

The fourth proportional to 140,483.76, 210,754.44 and 46,990.32 is: 70,495.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,483.76 : 210,754.44 = 46,990.32 : x
  2. Step 2: Convert to fraction form
    140,483.76/210,754.44 = 46,990.32/x
  3. Step 3: Cross multiply
    140,483.76x = 210,754.44 × 46,990.32
  4. Step 4: Simplify right side
    140,483.76x = 9,903,418,577.02
  5. Step 5: Solve for x
    x = 9,903,418,577.02/140,483.76
  6. Step 6: Final answer
    x = 70,495.11

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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.