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Finding the Fourth Proportional to 191,549.61, 264,336.08 and 105,506.82

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Solution

The fourth proportional to 191,549.61, 264,336.08 and 105,506.82 is: 145,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,549.61 : 264,336.08 = 105,506.82 : x
  2. Step 2: Convert to fraction form
    191,549.61/264,336.08 = 105,506.82/x
  3. Step 3: Cross multiply
    191,549.61x = 264,336.08 × 105,506.82
  4. Step 4: Simplify right side
    191,549.61x = 27,889,258,684.53
  5. Step 5: Solve for x
    x = 27,889,258,684.53/191,549.61
  6. Step 6: Final answer
    x = 145,598.10

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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.