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Finding the Fourth Proportional to 153,108.16, 211,014.80 and 124,522.64

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Solution

The fourth proportional to 153,108.16, 211,014.80 and 124,522.64 is: 171,618.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,108.16 : 211,014.80 = 124,522.64 : x
  2. Step 2: Convert to fraction form
    153,108.16/211,014.80 = 124,522.64/x
  3. Step 3: Cross multiply
    153,108.16x = 211,014.80 × 124,522.64
  4. Step 4: Simplify right side
    153,108.16x = 26,276,119,975.07
  5. Step 5: Solve for x
    x = 26,276,119,975.07/153,108.16
  6. Step 6: Final answer
    x = 171,618.02

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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.