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Finding the Fourth Proportional to 251,089, 346,505.28 and 137,914.24

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Solution

The fourth proportional to 251,089, 346,505.28 and 137,914.24 is: 190,323.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,089 : 346,505.28 = 137,914.24 : x
  2. Step 2: Convert to fraction form
    251,089/346,505.28 = 137,914.24/x
  3. Step 3: Cross multiply
    251,089x = 346,505.28 × 137,914.24
  4. Step 4: Simplify right side
    251,089x = 47,788,012,347.19
  5. Step 5: Solve for x
    x = 47,788,012,347.19/251,089
  6. Step 6: Final answer
    x = 190,323.00

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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.