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Finding the Fourth Proportional to 190,847.70, 286,271.55 and 97,535.70

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Solution

The fourth proportional to 190,847.70, 286,271.55 and 97,535.70 is: 146,303.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,847.70 : 286,271.55 = 97,535.70 : x
  2. Step 2: Convert to fraction form
    190,847.70/286,271.55 = 97,535.70/x
  3. Step 3: Cross multiply
    190,847.70x = 286,271.55 × 97,535.70
  4. Step 4: Simplify right side
    190,847.70x = 27,921,696,019.34
  5. Step 5: Solve for x
    x = 27,921,696,019.34/190,847.70
  6. Step 6: Final answer
    x = 146,303.55

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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.