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Finding the Fourth Proportional to 106,810.40, 160,215.60 and 97,133.60

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Solution

The fourth proportional to 106,810.40, 160,215.60 and 97,133.60 is: 145,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,810.40 : 160,215.60 = 97,133.60 : x
  2. Step 2: Convert to fraction form
    106,810.40/160,215.60 = 97,133.60/x
  3. Step 3: Cross multiply
    106,810.40x = 160,215.60 × 97,133.60
  4. Step 4: Simplify right side
    106,810.40x = 15,562,318,004.16
  5. Step 5: Solve for x
    x = 15,562,318,004.16/106,810.40
  6. Step 6: Final answer
    x = 145,700.40

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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.