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Finding the Fourth Proportional to 191,607.34, 264,405.48 and 115,080.97

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Solution

The fourth proportional to 191,607.34, 264,405.48 and 115,080.97 is: 158,804.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,607.34 : 264,405.48 = 115,080.97 : x
  2. Step 2: Convert to fraction form
    191,607.34/264,405.48 = 115,080.97/x
  3. Step 3: Cross multiply
    191,607.34x = 264,405.48 × 115,080.97
  4. Step 4: Simplify right side
    191,607.34x = 30,428,037,925.40
  5. Step 5: Solve for x
    x = 30,428,037,925.40/191,607.34
  6. Step 6: Final answer
    x = 158,804.13

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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.