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Finding the Fourth Proportional to 126,798.73, 174,987.72 and 70,210.12

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Solution

The fourth proportional to 126,798.73, 174,987.72 and 70,210.12 is: 96,893.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,798.73 : 174,987.72 = 70,210.12 : x
  2. Step 2: Convert to fraction form
    126,798.73/174,987.72 = 70,210.12/x
  3. Step 3: Cross multiply
    126,798.73x = 174,987.72 × 70,210.12
  4. Step 4: Simplify right side
    126,798.73x = 12,285,908,819.73
  5. Step 5: Solve for x
    x = 12,285,908,819.73/126,798.73
  6. Step 6: Final answer
    x = 96,893.00

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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.