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Finding the Fourth Proportional to 153,462.32, 211,788.63 and 93,035.51

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Solution

The fourth proportional to 153,462.32, 211,788.63 and 93,035.51 is: 128,395.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,462.32 : 211,788.63 = 93,035.51 : x
  2. Step 2: Convert to fraction form
    153,462.32/211,788.63 = 93,035.51/x
  3. Step 3: Cross multiply
    153,462.32x = 211,788.63 × 93,035.51
  4. Step 4: Simplify right side
    153,462.32x = 19,703,862,145.31
  5. Step 5: Solve for x
    x = 19,703,862,145.31/153,462.32
  6. Step 6: Final answer
    x = 128,395.44

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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.