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Finding the Fourth Proportional to 122,587.60, 184,075.80 and 93,038.80

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Solution

The fourth proportional to 122,587.60, 184,075.80 and 93,038.80 is: 139,705.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,587.60 : 184,075.80 = 93,038.80 : x
  2. Step 2: Convert to fraction form
    122,587.60/184,075.80 = 93,038.80/x
  3. Step 3: Cross multiply
    122,587.60x = 184,075.80 × 93,038.80
  4. Step 4: Simplify right side
    122,587.60x = 17,126,191,541.04
  5. Step 5: Solve for x
    x = 17,126,191,541.04/122,587.60
  6. Step 6: Final answer
    x = 139,705.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.