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Finding the Fourth Proportional to 92,085.19, 127,068.48 and 51,798.08

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Solution

The fourth proportional to 92,085.19, 127,068.48 and 51,798.08 is: 71,476.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,085.19 : 127,068.48 = 51,798.08 : x
  2. Step 2: Convert to fraction form
    92,085.19/127,068.48 = 51,798.08/x
  3. Step 3: Cross multiply
    92,085.19x = 127,068.48 × 51,798.08
  4. Step 4: Simplify right side
    92,085.19x = 6,581,903,610.19
  5. Step 5: Solve for x
    x = 6,581,903,610.19/92,085.19
  6. Step 6: Final answer
    x = 71,476.25

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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.