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Finding the Fourth Proportional to 174,031.40, 260,852.70 and 99,187.40

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Solution

The fourth proportional to 174,031.40, 260,852.70 and 99,187.40 is: 148,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,031.40 : 260,852.70 = 99,187.40 : x
  2. Step 2: Convert to fraction form
    174,031.40/260,852.70 = 99,187.40/x
  3. Step 3: Cross multiply
    174,031.40x = 260,852.70 × 99,187.40
  4. Step 4: Simplify right side
    174,031.40x = 25,873,301,095.98
  5. Step 5: Solve for x
    x = 25,873,301,095.98/174,031.40
  6. Step 6: Final answer
    x = 148,670.30

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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.