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Finding the Fourth Proportional to 229,413.60, 316,595.07 and 127,448.64

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Solution

The fourth proportional to 229,413.60, 316,595.07 and 127,448.64 is: 175,881.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,413.60 : 316,595.07 = 127,448.64 : x
  2. Step 2: Convert to fraction form
    229,413.60/316,595.07 = 127,448.64/x
  3. Step 3: Cross multiply
    229,413.60x = 316,595.07 × 127,448.64
  4. Step 4: Simplify right side
    229,413.60x = 40,349,611,102.20
  5. Step 5: Solve for x
    x = 40,349,611,102.20/229,413.60
  6. Step 6: Final answer
    x = 175,881.51

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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.