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Finding the Fourth Proportional to 110,025.80, 165,038.70 and 70,627.40

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Solution

The fourth proportional to 110,025.80, 165,038.70 and 70,627.40 is: 105,941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,025.80 : 165,038.70 = 70,627.40 : x
  2. Step 2: Convert to fraction form
    110,025.80/165,038.70 = 70,627.40/x
  3. Step 3: Cross multiply
    110,025.80x = 165,038.70 × 70,627.40
  4. Step 4: Simplify right side
    110,025.80x = 11,656,254,280.38
  5. Step 5: Solve for x
    x = 11,656,254,280.38/110,025.80
  6. Step 6: Final answer
    x = 105,941.10

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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.