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Finding the Fourth Proportional to 124,080.54, 171,214.92 and 70,345.92

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Solution

The fourth proportional to 124,080.54, 171,214.92 and 70,345.92 is: 97,068.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,080.54 : 171,214.92 = 70,345.92 : x
  2. Step 2: Convert to fraction form
    124,080.54/171,214.92 = 70,345.92/x
  3. Step 3: Cross multiply
    124,080.54x = 171,214.92 × 70,345.92
  4. Step 4: Simplify right side
    124,080.54x = 12,044,271,065.13
  5. Step 5: Solve for x
    x = 12,044,271,065.13/124,080.54
  6. Step 6: Final answer
    x = 97,068.17

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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.