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Finding the Fourth Proportional to 124,047.68, 171,193.30 and 73,094.40

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Solution

The fourth proportional to 124,047.68, 171,193.30 and 73,094.40 is: 100,874.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,047.68 : 171,193.30 = 73,094.40 : x
  2. Step 2: Convert to fraction form
    124,047.68/171,193.30 = 73,094.40/x
  3. Step 3: Cross multiply
    124,047.68x = 171,193.30 × 73,094.40
  4. Step 4: Simplify right side
    124,047.68x = 12,513,271,547.52
  5. Step 5: Solve for x
    x = 12,513,271,547.52/124,047.68
  6. Step 6: Final answer
    x = 100,874.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.