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Finding the Fourth Proportional to 140,373.60, 210,594.96 and 98,901.60

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Solution

The fourth proportional to 140,373.60, 210,594.96 and 98,901.60 is: 148,376.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,373.60 : 210,594.96 = 98,901.60 : x
  2. Step 2: Convert to fraction form
    140,373.60/210,594.96 = 98,901.60/x
  3. Step 3: Cross multiply
    140,373.60x = 210,594.96 × 98,901.60
  4. Step 4: Simplify right side
    140,373.60x = 20,828,178,495.94
  5. Step 5: Solve for x
    x = 20,828,178,495.94/140,373.60
  6. Step 6: Final answer
    x = 148,376.75

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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.