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Finding the Fourth Proportional to 140,499.52, 210,683.04 and 46,980.16

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Solution

The fourth proportional to 140,499.52, 210,683.04 and 46,980.16 is: 70,448.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,499.52 : 210,683.04 = 46,980.16 : x
  2. Step 2: Convert to fraction form
    140,499.52/210,683.04 = 46,980.16/x
  3. Step 3: Cross multiply
    140,499.52x = 210,683.04 × 46,980.16
  4. Step 4: Simplify right side
    140,499.52x = 9,897,922,928.49
  5. Step 5: Solve for x
    x = 9,897,922,928.49/140,499.52
  6. Step 6: Final answer
    x = 70,448.09

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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.