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Finding the Fourth Proportional to 155,637.04, 214,779.99 and 88,569.04

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Solution

The fourth proportional to 155,637.04, 214,779.99 and 88,569.04 is: 122,225.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,637.04 : 214,779.99 = 88,569.04 : x
  2. Step 2: Convert to fraction form
    155,637.04/214,779.99 = 88,569.04/x
  3. Step 3: Cross multiply
    155,637.04x = 214,779.99 × 88,569.04
  4. Step 4: Simplify right side
    155,637.04x = 19,022,857,525.51
  5. Step 5: Solve for x
    x = 19,022,857,525.51/155,637.04
  6. Step 6: Final answer
    x = 122,225.77

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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.