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Finding the Fourth Proportional to 190,852.70, 286,048.65 and 97,310.30

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Solution

The fourth proportional to 190,852.70, 286,048.65 and 97,310.30 is: 145,847.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,852.70 : 286,048.65 = 97,310.30 : x
  2. Step 2: Convert to fraction form
    190,852.70/286,048.65 = 97,310.30/x
  3. Step 3: Cross multiply
    190,852.70x = 286,048.65 × 97,310.30
  4. Step 4: Simplify right side
    190,852.70x = 27,835,479,946.10
  5. Step 5: Solve for x
    x = 27,835,479,946.10/190,852.70
  6. Step 6: Final answer
    x = 145,847.98

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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.