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Finding the Fourth Proportional to 158,587.80, 237,914.10 and 53,417.40

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Solution

The fourth proportional to 158,587.80, 237,914.10 and 53,417.40 is: 80,137.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,587.80 : 237,914.10 = 53,417.40 : x
  2. Step 2: Convert to fraction form
    158,587.80/237,914.10 = 53,417.40/x
  3. Step 3: Cross multiply
    158,587.80x = 237,914.10 × 53,417.40
  4. Step 4: Simplify right side
    158,587.80x = 12,708,752,645.34
  5. Step 5: Solve for x
    x = 12,708,752,645.34/158,587.80
  6. Step 6: Final answer
    x = 80,137.01

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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.