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Finding the Fourth Proportional to 153,348.64, 211,643.74 and 92,098.96

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Solution

The fourth proportional to 153,348.64, 211,643.74 and 92,098.96 is: 127,110.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,348.64 : 211,643.74 = 92,098.96 : x
  2. Step 2: Convert to fraction form
    153,348.64/211,643.74 = 92,098.96/x
  3. Step 3: Cross multiply
    153,348.64x = 211,643.74 × 92,098.96
  4. Step 4: Simplify right side
    153,348.64x = 19,492,168,344.51
  5. Step 5: Solve for x
    x = 19,492,168,344.51/153,348.64
  6. Step 6: Final answer
    x = 127,110.15

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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.