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Finding the Fourth Proportional to 108,628.70, 162,813.45 and 97,483.10

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Solution

The fourth proportional to 108,628.70, 162,813.45 and 97,483.10 is: 146,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,628.70 : 162,813.45 = 97,483.10 : x
  2. Step 2: Convert to fraction form
    108,628.70/162,813.45 = 97,483.10/x
  3. Step 3: Cross multiply
    108,628.70x = 162,813.45 × 97,483.10
  4. Step 4: Simplify right side
    108,628.70x = 15,871,559,827.70
  5. Step 5: Solve for x
    x = 15,871,559,827.70/108,628.70
  6. Step 6: Final answer
    x = 146,108.35

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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.