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Finding the Fourth Proportional to 161,038.80, 241,558.20 and 55,868.40

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Solution

The fourth proportional to 161,038.80, 241,558.20 and 55,868.40 is: 83,802.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,038.80 : 241,558.20 = 55,868.40 : x
  2. Step 2: Convert to fraction form
    161,038.80/241,558.20 = 55,868.40/x
  3. Step 3: Cross multiply
    161,038.80x = 241,558.20 × 55,868.40
  4. Step 4: Simplify right side
    161,038.80x = 13,495,470,140.88
  5. Step 5: Solve for x
    x = 13,495,470,140.88/161,038.80
  6. Step 6: Final answer
    x = 83,802.60

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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.