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Finding the Fourth Proportional to 153,458.94, 211,783.98 and 93,032.14

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Solution

The fourth proportional to 153,458.94, 211,783.98 and 93,032.14 is: 128,390.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,458.94 : 211,783.98 = 93,032.14 : x
  2. Step 2: Convert to fraction form
    153,458.94/211,783.98 = 93,032.14/x
  3. Step 3: Cross multiply
    153,458.94x = 211,783.98 × 93,032.14
  4. Step 4: Simplify right side
    153,458.94x = 19,702,716,877.12
  5. Step 5: Solve for x
    x = 19,702,716,877.12/153,458.94
  6. Step 6: Final answer
    x = 128,390.81

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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.