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Finding the Fourth Proportional to 191,888.49, 264,914.55 and 127,468.18

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Solution

The fourth proportional to 191,888.49, 264,914.55 and 127,468.18 is: 175,978.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,888.49 : 264,914.55 = 127,468.18 : x
  2. Step 2: Convert to fraction form
    191,888.49/264,914.55 = 127,468.18/x
  3. Step 3: Cross multiply
    191,888.49x = 264,914.55 × 127,468.18
  4. Step 4: Simplify right side
    191,888.49x = 33,768,175,875.16
  5. Step 5: Solve for x
    x = 33,768,175,875.16/191,888.49
  6. Step 6: Final answer
    x = 175,978.12

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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.